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SAE-AS8791 — RETAINER,PACKING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

SAE-AS8791: RETAINER,PACKING.

The RETAINER,PACKING is a the manufacturer industrial component. Key specifications include material: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL, peripheral_diameter: 0.235 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN, center_hole_diameter: 10.024 INCHES NOMINAL IN, cross-sectional_height: 0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN, end_item_identification: RETRACTION ACTUATOR SUBASSEMBLY, material_document_and_classification: SAE AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5330-00-003-9271, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
SAE-AS8791
NSN: 5330-00-003-9271
NIINs: 000039271, 000273599, 000575709, 000642570, 000674219, 000788381, 000879975, 000888719, 001554788, 001715042, 001715044, 001715045, 001715047, 001715048, 001715050, 001715052, 001715053, 001715062, 001715063, 001715064, 001715065, 001715066, 001715067, 001715068, 001715069, 001715070, 001715071, 001715073, 001715074, 001715075, 001715096, 001715097, 001715098, 001715102, 001715752, 001715778, 001715779, 001715885, 001715886, 001715887, 001715888, 001715889, 001715890, 001715894, 001715895, 001715896, 001715897, 001715898, 001715899, 001715900, 001715901, 001715902, 001715903, 001715904, 001715905, 001715906, 001715908, 001715913, 001716694, 001716695, 001716746, 001716747, 001716748, 001716749, 001716750, 001716751, 001716752, 001716753, 001716754, 001716755, 001716756, 001716757, 001716758, 001716759, 001716760, 001716762, 001716763, 001716764, 001716765, 001716767, 001716768, 001716769, 001716770, 001717346, 001719223, 001719224, 001719225, 001719227, 002053465, 003292505, 003292524, 004122772, 004134520, 004134761, 004192969, 004292304, 005043683, 005420920, 005437083, 005437087, 005437088, 005437089, 005437090, 005437092, 005437093, 005592363, 005674905, 005719008, 005763206, 005791506, 005805055, 005805410, 005821533, 005821534, 005821536, 005821537, 005821538, 005821539, 005821540, 005821541, 005821542, 005821543, 005821544, 005821545, 005821546, 005821547, 005821548, 005821549, 005821550, 005821551, 005822107, 005822108, 005822111, 005822113, 005822115, 005822116, 005822118, 005822119, 005822141, 005822142, 005822143, 005822144, 005822145, 005822146, 005822148, 005822149, 005822150, 005822614, 005827481, 005827483, 005827526, 005853555, 005856937, 006181604, 006186282, 006186845, 006188899, 006305958, 006409717, 006410102, 006410103, 006410225, 006411571, 006637035, 006637151, 006637152, 006842164, 006842168, 006842570, 006842572, 006842735, 007022534, 007203652, 007254369, 007295141, 007295142, 007295143, 007295207, 007341843, 007808466, 008009720, 008009721, 008013440, 008017717, 008082335, 008082337, 008082339, 008082340, 008128668, 008142371, 008142372, 008194641, 008204019, 008204142, 008209846, 008211508, 008218848, 008218849, 008220991, 008334210, 008346675, 008346676, 008346679, 008357712, 008364841, 008366092, 008389773, 008391846, 008419959, 008425505, 008428342, 008439719, 008439726, 008455016, 008489128, 008507490, 008507491, 008519174, 008534152, 008553430, 008921608, 008941549, 008941954, 008996728, 009004172, 009044129, 009273873, 009454436, 009983140, 010147496, 010209507, 010209510, 010209511, 010209513, 010209514, 010209516, 010209517, 010209518, 010209519, 010209521, 010227158, 010271308, 010299926, 010299927, 010299928, 010299931, 010299933, 010318611, 010328611, 010328612, 010413398, 010413399, 010433468, 010452492, 010463313, 010472920, 010578870, 010603431, 010673473, 010714634, 010722200, 010765713, 010772612, 010772614, 010992566, 011032598, 011198395, 011198397, 011198398, 011692106, 011982725, 012038422, 012254218, 012592657, 012887161, 012887162, 012931779, 013079640, 013218760, 013281995, 013304495, 013564523, 013887030, 013938386, 013976867, 013979980, 014074828, 014118946, 014170145, 014491905, 014505249, 014505250, 014538386, 014903553, 014933615, 015282473, 015282826, 015597959, 015606333, 015897102, 016680650, 016958527
FSC: 5330 — Packing and Gasket Materials
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
peripheral_diameter0.235 INCHES MINIMUM AND 0.237 INCHES MAXIMUM IN
center_hole_diameter10.024 INCHES NOMINAL IN
cross-sectional_height0.100 INCHES MINIMUM AND 0.110 INCHES MAXIMUM IN
end_item_identificationRETRACTION ACTUATOR SUBASSEMBLY
material_document_and_classificationSAE AS8791 NATIONAL SPEC SINGLE MATERIAL RESPONSE OVERALL
part_name_assigned_by_controlling_agencyRING, BACKUP
NSN5330-00-003-9271
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE-AS8791 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
CROSS-SECTIONAL HEIGHT: 0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
•
CROSS-SECTIONAL SHAPE STYLE: SQUARE/RECTANGULAR
•
CUT TYPE: DIAGONAL OVERALL
•
PERIPHERAL DIAMETER: 1.432 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 1.328 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC POLYTETRAFLUOROETHYLENE OVERALL
•
JOINT TYPE: SCARF-PERIPHERAL RETAINER
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.045 INCHES MINIMUM AND 0.052 INCHES MAXIMUM IN
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-8791 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
CROSS-SECTIONAL SHAPE STYLESQUARE/RECTANGULAR
CUT TYPEDIAGONAL OVERALL
PERIPHERAL DIAMETER1.432 INCHES MINIMUM AND 1.438 INCHES MAXIMUM IN
CENTER HOLE DIAMETER1.328 INCHES MINIMUM AND 1.330 INCHES MAXIMUM IN
MATERIALPLASTIC POLYTETRAFLUOROETHYLENE OVERALL
JOINT TYPESCARF-PERIPHERAL RETAINER
SUBSTITUTES & CROSS-REFERENCES 2
MS28774Reference document
Same NSN cross-reference
Reference document — Identification reference
MS28774-027Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is SAE-AS8791?
SAE-AS8791 is a RETAINER,PACKING.
What parts can replace SAE-AS8791?
There are 2 known substitutes for SAE-AS8791: MS28774, MS28774-027. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE-AS8791?
SAE-AS8791 is cataloged in the U.S. Government catalog under NSN 5330-00-003-9271. This indicates validated use in U.S. government and defense supply chains.
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U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.