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PartsTable / COMPONENT / STSMV020-2
STSMV020-2 ✓ 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 BUMPER is a the manufacturer industrial component. Key specifications include material: RUBBER, overall_height: 0.531 INCHES NOMINAL IN, groove_diameter: 0.281 INCHES NOMINAL IN, style_designator: DOUBLE FLANGE, top_flange_width: 0.156 INCHES NOMINAL IN, bottom_flange_width: 0.188 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-465-3089, 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
STSMV020-2
NSN: 5340-00-465-3089
FSC: 5340
CAGE: 98897 — LOCKHEED MARTIN CORP (USA)
SPECIFICATIONS
materialRUBBER
overall_height0.531 INCHES NOMINAL IN
groove_diameter0.281 INCHES NOMINAL IN
style_designatorDOUBLE FLANGE
top_flange_width0.156 INCHES NOMINAL IN
bottom_flange_width0.188 INCHES NOMINAL IN
bottom_flange_diameter0.343 INCHES NOMINAL IN
material_hardness_rating60.0 DUROMETER NOMINAL
outside/top_flange_diameter0.500 INCHES NOMINAL IN
NSN5340-00-465-3089
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: STSMV020-2 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
•
MATERIAL HARDNESS RATING: 60.0 DUROMETER NOMINAL
•
TOP FLANGE WIDTH: 0.156 INCHES NOMINAL IN
•
MATERIAL: RUBBER
•
GROOVE DIAMETER: 0.281 INCHES NOMINAL IN
•
STYLE DESIGNATOR: DOUBLE FLANGE
•
BOTTOM FLANGE WIDTH: 0.188 INCHES NOMINAL IN
•
BOTTOM FLANGE DIAMETER: 0.343 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL HARDNESS RATING60.0 DUROMETER NOMINAL
TOP FLANGE WIDTH0.156 INCHES NOMINAL IN
MATERIALRUBBER
GROOVE DIAMETER0.281 INCHES NOMINAL IN
STYLE DESIGNATORDOUBLE FLANGE
BOTTOM FLANGE WIDTH0.188 INCHES NOMINAL IN
OVERALL HEIGHT0.531 INCHES NOMINAL IN
BOTTOM FLANGE DIAMETER0.343 INCHES NOMINAL IN
OUTSIDE/TOP FLANGE DIAMETER0.500 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
5954Interchangeable
interchangeable cross-reference
interchangeable
729Interchangeable
interchangeable cross-reference
interchangeable
D011446Interchangeable
interchangeable cross-reference
interchangeable
L5-14Interchangeable
interchangeable cross-reference
interchangeable
5304CInterchangeable
interchangeable cross-reference
interchangeable
I-19C24FBS-JInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is STSMV020-2?
STSMV020-2 is a BUMPER.
What parts can replace STSMV020-2?
There are 9 known substitutes for STSMV020-2: 5954, 729, D011446 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for STSMV020-2?
STSMV020-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-465-3089. 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