PartsTable
Technical Data Sheet
PartsTable / O-RING / MS-28775-013
MS-28775-013 ✓ 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 criticality_code_justification: ZZZW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-00-684-3420, 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
MS-28775-013
NSN: 5331-00-684-3420
FSC: 5331 — O-RING
CAGE: A0311 — TECNO TRADE S.R.L. (ITA)
SPECIFICATIONS
criticality_code_justificationZZZW
NSN5331-00-684-3420
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS-28775-013 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
•
MATERIAL: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
•
OUTSIDE DIAMETER: 0.555 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
•
CROSS-SECTIONAL HEIGHT: 0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR
END ITEM IDENTIFICATIONMULTIPLE LAUNCH ROCKET SYSTEM (MLRS); ARMORED MULTI-PURPOSE VEHICLE (AMPV)
OUTSIDE DIAMETER0.555 INCHES MINIMUM AND 0.577 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.421 INCHES MINIMUM AND 0.431 INCHES MAXIMUM IN
CROSS-SECTIONAL HEIGHT0.067 INCHES MINIMUM AND 0.073 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
FFS92Interchangeable
interchangeable cross-reference
interchangeable
101013Interchangeable
interchangeable cross-reference
interchangeable
19485Interchangeable
interchangeable cross-reference
interchangeable
BM11359-01B02Interchangeable
interchangeable cross-reference
interchangeable
28-10Interchangeable
interchangeable cross-reference
interchangeable
53373-AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS-28775-013?
MS-28775-013 is a O-RING.
What parts can replace MS-28775-013?
There are 26 known substitutes for MS-28775-013: FFS92, 101013, 19485 and 23 more. Substitute compatibility should be verified for your specific system.
Is MS-28775-013 still available?
MS-28775-013 is currently cancelled.
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PartsTable Design LLC · partstable.com
Last verified: July 2026