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PartsTable / COMPONENT / M85049/138-90
M85049/138-90 ✓ 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 M85049/138-90 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-167-8027, 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
M85049/138-90
NSN: 5340-00-167-8027
FSC: 5340
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
Part NumberM85049/138-90
NSN5340-00-167-8027
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M85049/138-90 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
•
DESIGN TYPE: FRICTION
•
MATERIAL: PLASTIC
•
INSIDE DIAMETER LENGTH: 0.569 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.710 INCHES MINIMUM AND 2.730 INCHES MAXIMUM IN
•
ROUND CAP OUTSIDE SURFACE CONDITION: SMOOTH
•
MATERIAL DOCUMENT AND CLASSIFICATION: L-P-390, TYPE 1, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE
•
OVERALL DIAMETER: 2.929 INCHES MINIMUM AND 2.991 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
DESIGN TYPEFRICTION
MATERIALPLASTIC
INSIDE DIAMETER LENGTH0.569 INCHES MINIMUM AND 0.631 INCHES MAXIMUM IN
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.710 INCHES MINIMUM AND 2.730 INCHES MAXIMUM IN
ROUND CAP OUTSIDE SURFACE CONDITIONSMOOTH
MATERIAL DOCUMENT AND CLASSIFICATIONL-P-390, TYPE 1, CLASS 1 FED SPEC SINGLE MATERIAL RESPONSE
OVERALL DIAMETER2.929 INCHES MINIMUM AND 2.991 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
6971-0014Upgraded Successor
successor cross-reference
successor
MS90376-12RBUpgraded Successor
successor cross-reference
successor
M85049/138-24CUpgraded Successor
successor cross-reference
successor
6972-0012Upgraded Successor
successor cross-reference
successor
M85049/138-22CUpgraded Successor
successor cross-reference
successor
M85049/138-20CUpgraded Successor
successor cross-reference
successor
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M85049/138-90?
M85049/138-90 is a M85049/138-90.
What parts can replace M85049/138-90?
There are 14 known substitutes for M85049/138-90: 6971-0014, MS90376-12RB, M85049/138-24C and 11 more. Substitute compatibility should be verified for your specific system.
Is M85049/138-90 still available?
M85049/138-90 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