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Technical Data Sheet
PartsTable / COMPONENT / M310500-3
M310500-3 ✓ 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 LATCH,MORTISE is a the manufacturer industrial component. Key specifications include face_shape: FLAT, action_type: SPRING, operating_mechanism_location: ONE SIDE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-277-5126, 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
M310500-3
NSN: 5340-01-277-5126
FSC: 5340
CAGE: 0CBU7 — HOWMET GLOBAL FASTENING SYSTEMS INC DIV RAM PRODUCTS (USA)
SPECIFICATIONS
face_shapeFLAT
action_typeSPRING
operating_mechanism_locationONE SIDE
NSN5340-01-277-5126
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: M310500-3 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
•
FACE SHAPE: FLAT
•
ACTION TYPE: SPRING
•
OPERATING MECHANISM LOCATION: ONE SIDE
TECHNICAL CHARACTERISTICS (FLIS)
FACE SHAPEFLAT
ACTION TYPESPRING
OPERATING MECHANISM LOCATIONONE SIDE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
3-10500-3Interchangeable
interchangeable cross-reference
interchangeable
26191Interchangeable
interchangeable cross-reference
interchangeable
10-31969Interchangeable
interchangeable cross-reference
interchangeable
23824Interchangeable
interchangeable cross-reference
interchangeable
65055Interchangeable
interchangeable cross-reference
interchangeable
VS-977-J650-03Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is M310500-3?
M310500-3 is a LATCH,MORTISE.
What parts can replace M310500-3?
There are 17 known substitutes for M310500-3: 3-10500-3, 26191, 10-31969 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for M310500-3?
M310500-3 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-277-5126. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026