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Technical Data Sheet
RIA149021-2 ✓ 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 PLATE,RESILIENT MOUNT is a the manufacturer industrial component. Key specifications include color: BLACK, material: STEEL SLEEVE, surface_treatment: CHROMATE ZINC BODY, end_item_identification: FORWARD REPAIR SYSTEM (FRS), MODEL M7, NSN 3990-01-463-4940, TM P-3990-361-23. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-478-1086, 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
RIA149021-2
NSN: 5340-01-478-1086
FSC: 5340
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
colorBLACK
materialSTEEL SLEEVE
surface_treatmentCHROMATE ZINC BODY
end_item_identificationFORWARD REPAIR SYSTEM (FRS), MODEL M7, NSN 3990-01-463-4940, TM P-3990-361-23
NSN5340-01-478-1086
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: RIA149021-2 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
SURFACE TREATMENT: CHROMATE ZINC BODY
MATERIAL: STEEL SLEEVE
COLOR: BLACK
TECHNICAL CHARACTERISTICS (FLIS)
SURFACE TREATMENTCHROMATE ZINC BODY
MATERIALSTEEL SLEEVE
COLORBLACK
END ITEM IDENTIFICATIONFORWARD REPAIR SYSTEM (FRS), MODEL M7, NSN 3990-01-463-4940, TM P-3990-361-23
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
CP2Upgraded Successor
successor cross-reference
successor
8909A847-001Upgraded Successor
successor cross-reference
successor
0900813-7Interchangeable
interchangeable cross-reference
interchangeable
103411Interchangeable
interchangeable cross-reference
interchangeable
804881Interchangeable
interchangeable cross-reference
interchangeable
B107.30 TY1CL1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is RIA149021-2?
RIA149021-2 is a PLATE,RESILIENT MOUNT.
What parts can replace RIA149021-2?
There are 20 known substitutes for RIA149021-2: CP2, 8909A847-001, 0900813-7 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for RIA149021-2?
RIA149021-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-478-1086. This indicates validated use in U.S. government and defense supply chains.
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