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Technical Data Sheet
PartsTable / COMPONENT / MS25281/R7
MS25281/R7 ✓ 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 MS25281/R7 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-954-3134, 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
MS25281/R7
NSN: 5340-00-954-3134
FSC: 5340
CAGE: D9182 — ZF INDUSTRIEANTRIEBE WITTEN GMBH (DEU)
SPECIFICATIONS
Part NumberMS25281/R7
NSN5340-00-954-3134
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: MS25281/R7 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
•
LOOP INSIDE DIAMETER: 0.438 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.608 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.860 INCHES NOMINAL IN
•
MATERIAL THICKNESS: 0.050 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.495 INCHES MINIMUM AND 0.510 INCHES MAXIMUM IN
LOOP INSIDE DIAMETER0.438 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.608 INCHES NOMINAL IN
SPECIAL FEATURESCOLOR NATURAL
DISTANCE FROM LOOP CENTER TO TONGUE END0.860 INCHES NOMINAL IN
MATERIAL THICKNESS0.050 INCHES MINIMUM AND 0.085 INCHES MAXIMUM IN
TONGUE HOLE TYPEROUND, UNTHREADED
DIAMETER0.198 INCHES MINIMUM AND 0.213 INCHES MAXIMUM IN
MATERIALPLASTIC POLYHEXAMETHYLENE AMIDE OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
SAE-AS25281Upgraded Successor
successor cross-reference
successor
10117443Upgraded Successor
successor cross-reference
successor
9M843-2Upgraded Successor
successor cross-reference
successor
AS23190Upgraded Successor
successor cross-reference
successor
10117455Upgraded Successor
successor cross-reference
successor
MS25281R18Upgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS25281/R7?
MS25281/R7 is a MS25281/R7.
What parts can replace MS25281/R7?
There are 24 known substitutes for MS25281/R7: SAE-AS25281, 10117443, 9M843-2 and 21 more. Substitute compatibility should be verified for your specific system.
Is MS25281/R7 still available?
MS25281/R7 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026