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Technical Data Sheet
PartsTable / O-RING / SAE-AS28778
SAE-AS28778 ✓ Verified by PartsTable
— · ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: TEST SET REMOTE, part_name_assigned_by_controlling_agency: PACKING, PRE O-RING. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-021-2891, 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-AS28778
NSN: 5331-00-021-2891
FSC: 5331 — O-RING
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
end_item_identificationTEST SET REMOTE
part_name_assigned_by_controlling_agencyPACKING, PRE O-RING
NSN5331-00-021-2891
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SAE-AS28778 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
•
CENTER HOLE DIAMETER: 1.042 INCHES MINIMUM AND 1.054 INCHES MAXIMUM IN
•
ELONGATION PERCENTAGE: 80 MAXIMUM
•
TEMP RATING: -65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
•
MATERIAL: RUBBER SYNTHETIC
•
CROSS-SECTIONAL HEIGHT: 0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
•
HARDNESS RATING: 90.0 SHORE DUROMETER A NOMINAL
TECHNICAL CHARACTERISTICS (FLIS)
CENTER HOLE DIAMETER1.042 INCHES MINIMUM AND 1.054 INCHES MAXIMUM IN
ELONGATION PERCENTAGE80 MAXIMUM
TEMP RATING-65.0 FAHRENHEIT AND 160.0 FAHRENHEIT DEGF
MATERIALRUBBER SYNTHETIC
CROSS-SECTIONAL HEIGHT0.112 INCHES MINIMUM AND 0.120 INCHES MAXIMUM IN
HARDNESS RATING90.0 SHORE DUROMETER A NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
5-131-04-024-00Interchangeable
interchangeable cross-reference
interchangeable
AMS-P-5510Interchangeable
interchangeable cross-reference
interchangeable
0921206-9Interchangeable
interchangeable cross-reference
interchangeable
MILP5510Interchangeable
interchangeable cross-reference
interchangeable
10172786Interchangeable
interchangeable cross-reference
interchangeable
3-16Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE-AS28778?
SAE-AS28778 is a O-RING.
What parts can replace SAE-AS28778?
There are 25 known substitutes for SAE-AS28778: 5-131-04-024-00, AMS-P-5510, 0921206-9 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE-AS28778?
SAE-AS28778 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-021-2891. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026