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21T145 — STRAP,ELASTIC

✓ Government record, cited
— · ORING SEAL
PRODUCT OVERVIEW

21T145: STRAP,ELASTIC.

The STRAP,ELASTIC is a the manufacturer industrial component. Key specifications include width: 0.625 INCHES IN, length: 9.0 INCHES IN, material: RUBBER SYNTHETIC OVERALL, thickness: 0.250 INCHES IN, design_type: INDUSTRIAL, fiber_material: SYNTHETIC OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 5340-01-682-3982, 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
21T145
NSN: 5340-01-682-3982
FSC: 5340 — Hardware, Commercial
CAGE: 1VXG5 — KNM INDUSTRIES, INC DBA LEXCO CABLE DIV LEXCO CABLE (USA)
SPECIFICATIONS
width0.625 INCHES IN
length9.0 INCHES IN
materialRUBBER SYNTHETIC OVERALL
thickness0.250 INCHES IN
design_typeINDUSTRIAL
fiber_materialSYNTHETIC OVERALL
user_designatorUS NAVY
adjustment_methodELASTIC OVERALL
attachment_methodDOUBLE HOOK EACH END
cloth-fabric_nameELASTIC OVERALL
end_item_identificationSURVIVAL KITX
part_name_assigned_by_controlling_agencyCORD ASSY, ELASTIC
NSN5340-01-682-3982
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 21T145 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
•
THICKNESS: 0.250 INCHES IN
•
DESIGN TYPE: INDUSTRIAL
•
ADJUSTMENT METHOD: ELASTIC OVERALL
•
LENGTH: 9.0 INCHES IN
•
WIDTH: 0.625 INCHES IN
•
COLOR: BLACK OVERALL
•
ATTACHMENT METHOD: DOUBLE HOOK EACH END
TECHNICAL CHARACTERISTICS
THICKNESS0.250 INCHES IN
DESIGN TYPEINDUSTRIAL
ADJUSTMENT METHODELASTIC OVERALL
LENGTH9.0 INCHES IN
WIDTH0.625 INCHES IN
COLORBLACK OVERALL
ATTACHMENT METHODDOUBLE HOOK EACH END
PART NAME ASSIGNED BY CONTROLLING AGENCYCORD ASSY, ELASTIC
END ITEM IDENTIFICATIONSURVIVAL KITX
MATERIALRUBBER SYNTHETIC OVERALL
OTHER ITEMS IN FSC 5340 — Hardware, Commercial
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5340-00-000-0068 5340-00-000-0132 5340-00-000-8150 5340-00-001-1251 5340-00-001-1264 5340-00-001-1265 5340-00-001-1266 5340-00-001-1275
SUBSTITUTES & CROSS-REFERENCES 1
EPDM9Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 21T145?
21T145 is a STRAP,ELASTIC.
What parts can replace 21T145?
There is 1 known substitute for 21T145: EPDM9. Substitute compatibility should be verified for your specific system.
What is the NSN for 21T145?
21T145 is cataloged in the U.S. Government catalog under NSN 5340-01-682-3982. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.