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PartsTable / COMPONENT / 5340009891771
5340009891771 ✓ 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 CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.406 INCHES NOMINAL IN, overall_width: 0.625 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, surface_treatment: CADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND, material_thickness: 0.032 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-00-989-1771, 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
5340009891771
NSN: 5340-00-989-1771
FSC: 5340
CAGE: SCY13 — E.C.A ETABLISSEMENT CENTRALD'APPROVISIONNEMENT DES FORCES ARMEE
SPECIFICATIONS
diameter0.406 INCHES NOMINAL IN
overall_width0.625 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
surface_treatmentCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.500 INCHES NOMINAL IN
end_item_identificationMRAP - COUGAR CAT1 A1; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
distance_from_loop_center_to_tongue_end1.156 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.844 INCHES NOMINAL IN
NSN5340-00-989-1771
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 5340009891771 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
•
DIAMETER: 0.406 INCHES NOMINAL IN
•
LOOP INSIDE DIAMETER: 0.500 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 1.156 INCHES NOMINAL IN
•
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE: 0.844 INCHES NOMINAL IN
•
MATERIAL: RUBBER SYNTHETIC CUSHION
•
STYLE DESIGNATOR: SINGLE LOOP
TECHNICAL CHARACTERISTICS (FLIS)
DIAMETER0.406 INCHES NOMINAL IN
OVERALL WIDTH0.625 INCHES NOMINAL IN
LOOP INSIDE DIAMETER0.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMRAP - COUGAR CAT1 A1; HIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
DISTANCE FROM LOOP CENTER TO TONGUE END1.156 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.844 INCHES NOMINAL IN
MATERIALRUBBER SYNTHETIC CUSHION
STYLE DESIGNATORSINGLE LOOP
SURFACE TREATMENTCADMIUM AND CHROMATE OR ZINC AND CHROMATE BAND
TONGUE HOLE TYPEROUND, UNTHREADED
VERIFIED SUBSTITUTES & CROSS-REFERENCES 26
MS21333-27Upgraded Successor
successor cross-reference
successor
NASM21333Upgraded Successor
successor cross-reference
successor
MS21333-10Upgraded Successor
successor cross-reference
successor
NASM21333-10Upgraded Successor
successor cross-reference
successor
3044Upgraded Successor
successor cross-reference
successor
34-259Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5340009891771?
5340009891771 is a CLAMP,LOOP.
What parts can replace 5340009891771?
There are 26 known substitutes for 5340009891771: MS21333-27, NASM21333, MS21333-10 and 23 more. Substitute compatibility should be verified for your specific system.
Is 5340009891771 still available?
5340009891771 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