PartsTable
Technical Data Sheet
PartsTable / COMPONENT / M85731/1-15
M85731/1-15 ✓ 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 M85731/1-15 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-345-6422, 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
M85731/1-15
NSN: 5340-01-345-6422
FSC: 5340
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberM85731/1-15
NSN5340-01-345-6422
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M85731/1-15 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
•
REVERSIBLE FEATURE: NOT INCLUDED
•
SURFACE TREATMENT: CADMIUM AND CHROMATE OVERALL
•
STYLE DESIGNATOR: STRAP
•
MATERIAL: STEEL OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
•
PIN CENTER TO BODY EDGE DISTANCE: 1.188 INCHES NOMINAL IN
•
BODY WIDTH: 0.450 INCHES NOMINAL IN
•
MOUNTING HOLE QUANTITY: 2
TECHNICAL CHARACTERISTICS (FLIS)
REVERSIBLE FEATURENOT INCLUDED
SURFACE TREATMENTCADMIUM AND CHROMATE OVERALL
STYLE DESIGNATORSTRAP
MATERIALSTEEL OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416, TYPE 2, CLASS 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL
PIN CENTER TO BODY EDGE DISTANCE1.188 INCHES NOMINAL IN
BODY WIDTH0.450 INCHES NOMINAL IN
MOUNTING HOLE QUANTITY2
KNUCKLE TYPEFRICTION
PERFORMANCE TYPENOT RATED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
902005Upgraded Successor
successor cross-reference
successor
MIL-F-85731Upgraded Successor
successor cross-reference
successor
MS14108-15Upgraded Successor
successor cross-reference
successor
M85731/1-18Interchangeable
interchangeable cross-reference
interchangeable
MS14108-18Interchangeable
interchangeable cross-reference
interchangeable
MS14108-13Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy M85731/1-15?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is M85731/1-15?
M85731/1-15 is a M85731/1-15.
What parts can replace M85731/1-15?
There are 16 known substitutes for M85731/1-15: 902005, MIL-F-85731, MS14108-15 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M85731/1-15?
M85731/1-15 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-345-6422. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — M85731/1-15

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026