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M25988-4-234 — O-RING

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

M25988-4-234: O-RING.

The O-RING is a the manufacturer industrial component. Key specifications include end_item_identification: C-5 AMP/RERP, part_name_assigned_by_controlling_agency: O-RING. This part is cataloged in the U.S.

Government catalog under NSN 5331-01-484-4416, 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
M25988-4-234
NSN: 5331-01-484-4416
NIINs: 014844416, 015666677
FSC: 5331 — O-ring
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
end_item_identificationC-5 AMP/RERP
part_name_assigned_by_controlling_agencyO-RING
NSN5331-01-484-4416
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M25988-4-234 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: 0.139 INCHES NOMINAL IN
•
HARDNESS RATING: 80.0 SHORE DUROMETER A NOMINAL
•
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988, CLASS 1, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE
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SPECIFICATION/STANDARD DATA: 81349-MIL-R-25988/4 GOVERNMENT SPECIFICATION
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CENTER HOLE DIAMETER: 2.984 INCHES NOMINAL IN
•
TEST DATA DOCUMENT: 81349-MIL-R-25988 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
•
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ
TECHNICAL CHARACTERISTICS
CROSS-SECTIONAL HEIGHT0.139 INCHES NOMINAL IN
HARDNESS RATING80.0 SHORE DUROMETER A NOMINAL
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988, CLASS 1, GRADE 80 MIL SPEC SINGLE MATERIAL RESPONSE
SPECIFICATION/STANDARD DATA81349-MIL-R-25988/4 GOVERNMENT SPECIFICATION
CENTER HOLE DIAMETER2.984 INCHES NOMINAL IN
TEST DATA DOCUMENT81349-MIL-R-25988 SPECIFICATION (INCLUDES ENGINEERING TYPE BULLETINS, BROCHURES,ETC., THAT REFLECT SPECIFICATION TYPE DATA IN SPECIFICATION FORMAT; EXCLUDES COMMERCIAL CATALOGS, INDUSTRY DIRECTORIES, AND SIMILAR TRADE PUBLICATIONS, REFLECTING GENERAL TYPE DATA ON CERTAIN ENVIRONMENTAL AND PERFORMANCE REQUIREMENTS AND TEST CONDITIONS THAT ARE SHOWN AS "TYPICAL", "AVERAGE", "NOMINAL", ETC.).
MATERIALRUBBER FLUOROSILICONE CLASS FQ
SUBSTITUTES & CROSS-REFERENCES 2
MIL-DTL-25988/4Reference document
Same NSN cross-reference
Reference document — Identification reference
MIL-R-25988/4Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is M25988-4-234?
M25988-4-234 is a O-RING.
What parts can replace M25988-4-234?
There are 2 known substitutes for M25988-4-234: MIL-DTL-25988/4, MIL-R-25988/4. Substitute compatibility should be verified for your specific system.
What is the NSN for M25988-4-234?
M25988-4-234 is cataloged in the U.S. Government catalog under NSN 5331-01-484-4416. This indicates validated use in U.S. government and defense supply chains.
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