AEROSPACE PART
AND MATERIAL
CROSS-REFERENCE
Safety, performance, and innovation in the aerospace
industry rely on quality, dependable seals in a variety of
applica tions. That’s why aerospace leaders count on Freuden-
berg Sealing Technologies for reliable solutions in nearly every
application, everywhere in the world.
Freudenberg Sealing Technologies has a broad product range
and a global support network of experts to be your single-
source sealing and service provider, offering:
Simmerring® shaft seals
O-rings
Fluid power seals
Silicone products
Hydraulic accumulators
Special sealing products
The continuous quest for faster, safer, more efficient air travel
demands ongoing innovation. The industry continues to strive
for improved performance, operational efficiency, reductions
in weight and cost, and improved environmental impact.
Aircraft are being designed to fly higher in the atmosphere at
colder temperatures, and aircraft engines will operate with
leaner and environmentally friendly fuel mixes at higher
temperatures.
Freudenberg Sealing Technologies brings our customers
the
benefits of thorough expertise in aerospace sealing materials
and applications, global product availability and solutions
customized to nearly any application. We drive innovation
with research, development and production teams integrated
across our global operations to meet the demands of world-
wide and local markets. Those are matched with our Service
Centers, offering personalized support to more than 100,000
customers everywhere they operate, around the clock.
Our comprehensive lifetime support package covers material
development, finite element analysis (FEA), product design
and testing as well as on-site technical and logistical support
anywhere in the world.
MATERIALS EXPERTISE AND
INDUSTRY-SPECIFIC TESTING
Count on Freudenberg Sealing Technologies’ expertise
in
aerospace materials and rigorous test procedures to deliver
sealing solutions precisely tailored to your application. We are
the only brand that can offer expertise with more than 200
aerospace-specific compounds, plus state-of-the-art finite
element simulations and a variety of test rigs. That means we
can accurately assess and verify product behavior during the
development phase—providing you with the economic advan-
tages of decreased time-to-market cycles, as well as
outstanding functional reliability and quality.
Our expertise and testing procedures support our entire range
of sealing products for key aerospace applications, including:
Airframe and windows
Engines and transmissions
Landing gears, wheels and brakes
Primary and secondary ight controls
AEROSPACE SEALING
AEROSPACE PART NUMBER CROSS-REFERENCE
Industry Standard
Part Number
Freudenberg Sealing Technologies
Part Number
Material Specification
NAS1523
See Fas-N-Seal List Various Various
NAS1593-XXX
AS568-XXX V75 V75 MIL-R-83248 Type 1 Class 1
(replaces MIL-R-25987 Type 1 Class 1)
NAS1594-XXX
AS568-XXX V90 V90 MIL-R-83248 Type 1 Class 2
(replaces MIL-R-25987 Type 1 Class 2)
NAS1595-9XX
AS568-9XX V75 V75 MIL-R-83248 Type 1 Class 1
(replaces MIL-R-25987 Type 1 Class 1)
NAS1596-9XX
AS568-9XX V90 V90 MIL-R-83248 Type 1 Class 2
(replaces MIL-R-25987 Type 1 Class 2)
NAS1598
See Fas-N-Seal List Various Various (superseded by NAS1523)
NAS1601-XXX
AS568-XXX E454 E454 NAS1613 Rev 6
NAS1602-YY
AS568-9YY E454 E454 NAS1613 Rev 6
NAS1611-XXXA*
Inquire, parts over 0.500"
ID are tight tolerance
E454 NAS1613 Rev 6
NAS1612-YYA*
Inquire, parts over 0.500"
ID are tight tolerance
E454 NAS1613 Rev 6
NAS1611-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
E458 NAS1613 Rev 2
NAS1612-YY*
Inquire, parts over 0.500"
ID are tight tolerance
E458 NAS1613 Rev 2
AS3084-YY
AS568-9YY V75 V75 AMS7276 (replaces AMS7280)
AS3085-XXX
AS568-XXX V75 V75 AMS7276 (replaces AMS7280)
AS3208-YY
AS568-9YY V75 V75 AMS7276
AS3209-XXX
AS568-XXX V75 V75 AMS7276
MA3352
Contact us for metric/unique sizes V75 AMS7276
MA3442
Contact us for metric/unique sizes S315 AMS7267
MA3445
Contact us for metric/unique sizes V199 AMS-R-83485 or MIL-R-83485
AS3581-XXX
AS568-XXX V90 V90 AMS7259
AS3582-XXX
AS568-XXX S70 S70 AMS3304
AS5729-XXX
AS568-XXX V127 V127 AMS7379
AN6227
Contact us for metric/unique sizes N888
AMS-P-25732 or MIL-P-25732 (superseded by MS28775)
AN6230
Contact us for metric/unique sizes N888
AMS-P-25732 or MIL-P-25732 (superseded by MS28775)
AN6231
Contact us for metric/unique sizes N459 AMS-P-5510 or MIL-P-5510 (superseded by MS28778)
AMS7257-XXX
AS568-XXX Z7257 or SZ501 Z7257/SZ501 AMS7257
MS9068-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
S70 AMS3304
AS9385-YY*
AS/MS9385 now obsolete and AS/
MS9386 now includes -9YY part number
S315 AMS7267
MS9385-YY*
AS/MS9385 now obsolete and AS/
MS9386 now includes -9YY part number
S315 AMS7267
AS9386-XXX*
Now includes the -9YY parts which
were formerly AS/MS9385-YY parts
S315 AMS7267
MS9386-XXX*
Now includes the -9YY parts which
were formerly AS/MS9385-YY parts
S315 AMS7267
* NOTE: Many part numbers over 0.500” ID are tighter tolerance and NOT standard AS568 tolerances. These tighter tolerance parts are not Master Price List items.
NOTE: Specications shown do not indicate current revision status; parts are produced to current revision level.
AEROSPACE PART NUMBER CROSS-REFERENCE
Industry Standard
Part Number
Freudenberg Sealing Technologies
Part Number
Material Specification
MS9387-YY
Inquire, some parts are tight tolerance V75 AMS-R-83248, MIL-R-83248, or M83248/1
(superseded by AS83248/1)
AS9966-YY*
Inquire, parts over 0.500"
ID are tight tolerance
F273 AMS7273
MS9966-YY*
Inquire, parts over 0.500"
ID are tight tolerance
F273 AMS7273
AS9967-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
F273 AMS7273
MS9967-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
F273 AMS7273
MS9968-XXX
AS568-XXX V75 V75 AMS7276 (replaces AMS7280)
MS9970-XXX
AS568-XXX V90 V90 AMS7259
AS17413-XXX
AS568-XXX V75 V75 AMS-R-83248, MIL-R-83248, or M83248/1
(superseded by AS83248/1)
MS17413-XXX
AS568-XXX V75 V75 AMS-R-83248, MIL-R-83248, or M83248/1
(superseded by AS83248/1)
M25988/1-XXX
AS568-XXX F70 F70 MIL-DTL-25988 or AMS-R-25988 or MIL-R-25988
M25988/2-XXX
AS568-XXX F75 F75 MIL-DTL-25988 or AMS-R-25988 or MIL-R-25988
M25988/3-XXX
AS568-XXX F60 F60 MIL-DTL-25988 or AMS-R-25988 or MIL-R-25988
M25988/4-XXX
AS568-XXX F80 F80 MIL-DTL-25988 or AMS-R-25988 or MIL-R-25988
MS26577
Contact us for metric/unique sizes S60 AMS3303
MS27290
Contact us for metric/unique sizes S50 AMS3302
AS28775-XXX
AS568-XXX N888 N888 AMS-P-25732 or MIL-P-25732
MS28775-XXX
AS568-XXX N888 N888 AMS-P-25732 or MIL-P-25732
MS28784-XXX
AS568-XXX N888 N888 AMS-P-25732 or MIL-P-25732
AS29512-YY*
Inquire, parts over 0.500"
ID are tight tolerance
N400A AMS-P-5315 or MIL-P-5315
MS29512-YY*
Inquire, parts over 0.500"
ID are tight tolerance
N400A AMS-P-5315 or MIL-P-5315
AS29513-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
N400A AMS-P-5315 or MIL-P-5315
MS29513-XXX*
Inquire, parts over 0.500"
ID are tight tolerance
N400A AMS-P-5315 or MIL-P-5315
AS43003-9YY**
AS568-9YY V75 V75 AMS7276
AS43013-XXX**
AS568-XXX V75 V75 AMS7276
M83248/1-XXX
AS568-XXX V75 V75 AMS-R-83248, MIL-R-83248 (superseded by AS83248/1)
M83248/2-XXX
AS568-XXX V90 V90 AMS-R-83248, MIL-R-83248 (superseded by AS83248/2)
M83285/1-XXX
AS568-XXX E480 E480 AMS-R-83285 or MIL-R-83285
AMS-P-83461/1-XXX
AS568-XXX N456 N456 AMS-P-83461 or MIL-P-83461
M83461/1-XXX
AS568-XXX N456 N456 AMS-P-83461 or MIL-P-83461
AMS-P-83461/2-YY
AS568-9YY N456 N456 AMS-P-83461 or MIL-P-83461
M83461/2-YY
AS568-9YY N456 N456 AMS-P-83461 or MIL-P-83461
M83485/1-XXX
AS568-XXX V199 V199 AMS7287 (previously AMS-R-83485 or MIL-R-83485)
MS90064
Contact us for metric/unique sizes S50 AMS3302
* NOTE: Many part numbers over 0.500” ID are tighter tolerance and NOT standard AS568 tolerances. These tighter tolerance parts are not Master Price List items.
** NOTE: Additional testing requirements apply. These part series are not Master Price List items.
NOTE: Specications shown do not indicate current revision status; parts are produced to current revision level.
Compound
Material Type Hardness Color Specification
E454
EPDM 80 Black NAS1613 Revision 6, NF L 17-241 Grade 41B8
E458
EPDM 80 Black NAS1613 Revision 2
E480
EPDM 80 Black AMS-R-83285 Grade 80
E481
EPDM 80 Black Low temperature EPDM Tg –76° F (–60° C) AMS7XXX
(specification under draft)
N400A
NBR (Nitrile) 70 Black AMS-P-5315
N888
NBR (Nitrile) 75 Black AMS-P-25732
N456
NBR (Nitrile) 75 Black AMS-P-83461
S40
VMQ (Silicone) 40 Red AMS3301, A-A-59588 (ZZ-R-765) Class 2A 2B Grade 40
S50
VMQ (Silicone) 50 Red AMS3302, A-A-59588 (ZZ-R-765) Class 2A 2B Grade 50
S60
VMQ (Silicone) 60 Red AMS3303, A-A-59588 (ZZ-R-765) Class 2A 2B Grade 60
S70
VMQ (Silicone) 70 Red MIL-DTL-25988 Type 1 Class 1 Grade 70, AMS-R-25988B Type 1
Class 1 Grade 70, NF L 17-261 Grade 61D7
S80
VMQ (Silicone) 80 Red AMS3305, A-A-59588 (ZZ-R-765) Class 2A 2B Grade 80,
NF L 17-250-5 Grade 50D8
S315
VMQ (Silicone) 75 Red AMS7267
F60
FVMQ
(Fluorosilicone
60 Blue MIL-DTL-25988 Type 1 Class 1 Grade 60, AMS-R-25988B Type 1
Class 1 Grade 60, NF L 17-261 Grade 61D6, DMD5019
F70
FVMQ
(Fluorosilicone)
70 Blue MIL-DTL-25988 Type 1 Class 1 Grade 70, AMS-R-25988/1,
NF L 17-261 Grade 61D7
F75
FVMQ
(Fluorosilicone)
75 Blue MIL-DTL-25988 Type 1 Class 3 Grade 75, AMS-R-25988B Type 1
Class 3 Grade 75
F80
FVMQ
(Fluorosilicone)
80 Blue MIL-DTL-25988 Type 1 Class 1 Grade 80, AMS-R-25988B Type 1
Class 1 Grade 80, NF L 17-261 Grade 61D8, DMD5013
F215
FVMQ
(Fluorosilicone)
75 Blue AMS3327
F229
FVMQ
(Fluorosilicone)
80 Red AMS3383
F273
FVMQ
(Fluorosilicone)
75 Blue AMS7273
V75
FKM 75 Black AMS3216, AMS7276, MIL-R-83248 Type 1 Class 1,
NF L 17-164 Grade 64C8, SBAC DTD5613 Grade 80, DMD5014
V90
FKM 90 Black AMS7259, MIL-R-83248 Type 1 Class 2, NF L 17-260 Grade 60C9
V199
FKM 75 Black AMS-R-83485, AMS7287
V127
FKM 75 Black AMS7379
V175
FEPM 75 Black AMS7255
SZ498
Simriz® FFKM 75 Black DMD5072
SZ501
Simriz® FFKM 75 Black AMS7257 (Higher Temperature Resistance. Up to 320° C)
Z7257
Simriz® FFKM 75 Black AMS7257
AEROSPACE MATERIAL CROSS-REFERENCE
Freudenberg Sealing Technologies GmbH & Co. KG
Höhnerweg 2-4
69469 Weinheim, Germany
Service Contact:
Email: aerospace@fst.com
www.fst.com
