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Technical Data Sheet
PartsTable / COMPONENT / SM-C-920478-11
SM-C-920478-11 ✓ 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: 0.128 INCHES NOMINAL IN, material: PLASTIC POLYAMIDE NYLON BAND, overall_width: 0.281 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_thickness: 0.320 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 5340-01-280-6158, 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
SM-C-920478-11
NSN: 5340-01-280-6158
FSC: 5340
CAGE: 80063 — US ARMY COMMUNICATIONS & ELECTRONICS MATERIEL READINESS COMMAND LOGISTICS ENGINEERING DIR (USA)
SPECIFICATIONS
diameter0.128 INCHES NOMINAL IN
materialPLASTIC POLYAMIDE NYLON BAND
overall_width0.281 INCHES NOMINAL IN
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_thickness0.320 INCHES NOMINAL IN
loop_inside_diameter0.125 INCHES NOMINAL IN
distance_from_loop_center_to_tongue_end0.447 INCHES NOMINAL IN
center_to_center_distance_between_loop_and_mounting_hole0.275 INCHES NOMINAL IN
NSN5340-01-280-6158
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: SM-C-920478-11 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
•
LOOP INSIDE DIAMETER: 0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SINGLE LOOP
•
TONGUE HOLE TYPE: ROUND, UNTHREADED
•
MATERIAL: PLASTIC POLYAMIDE NYLON BAND
•
MATERIAL THICKNESS: 0.320 INCHES NOMINAL IN
•
DIAMETER: 0.128 INCHES NOMINAL IN
•
DISTANCE FROM LOOP CENTER TO TONGUE END: 0.447 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
LOOP INSIDE DIAMETER0.125 INCHES NOMINAL IN
STYLE DESIGNATORSINGLE LOOP
OVERALL WIDTH0.281 INCHES NOMINAL IN
TONGUE HOLE TYPEROUND, UNTHREADED
MATERIALPLASTIC POLYAMIDE NYLON BAND
MATERIAL THICKNESS0.320 INCHES NOMINAL IN
DIAMETER0.128 INCHES NOMINAL IN
DISTANCE FROM LOOP CENTER TO TONGUE END0.447 INCHES NOMINAL IN
CENTER TO CENTER DISTANCE BETWEEN LOOP AND MOUNTING HOLE0.275 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 4
1-8-2NAUpgraded Successor
successor cross-reference
successor
33033-0012Upgraded Successor
successor cross-reference
successor
831 00015 01Upgraded Successor
successor cross-reference
successor
1/8-2NAInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SM-C-920478-11?
SM-C-920478-11 is a CLAMP,LOOP.
What parts can replace SM-C-920478-11?
There are 4 known substitutes for SM-C-920478-11: 1-8-2NA, 33033-0012, 831 00015 01 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SM-C-920478-11?
SM-C-920478-11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-280-6158. 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