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Technical Data Sheet
M25988/4-014 ✓ 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 M25988/4-014 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5331-01-156-0092, 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
M25988/4-014
NSN: 5331-01-156-0092
FSC: 5331 — O-RING
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM25988/4-014
NSN5331-01-156-0092
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988/4-014 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 30
182561Interchangeable
interchangeable cross-reference
interchangeable
A307290Interchangeable
interchangeable cross-reference
interchangeable
MS28775-232Interchangeable
interchangeable cross-reference
interchangeable
70923582Interchangeable
interchangeable cross-reference
interchangeable
4014-PCInterchangeable
interchangeable cross-reference
interchangeable
8837-B ITEM 4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M25988/4-014?
M25988/4-014 is a M25988/4-014.
What parts can replace M25988/4-014?
There are 30 known substitutes for M25988/4-014: 182561, A307290, MS28775-232 and 27 more. Substitute compatibility should be verified for your specific system.
Is M25988/4-014 still available?
M25988/4-014 is currently cancelled.
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