The Spring,helical,extension, cataloged under National Stock Number 5360-00-140-2118, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Telemechanics Inc. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-140-2118 |
| Primary Part Number | 334276 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Telemechanics Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.166 INCHES NOMINAL IN |
| End Style | MACHINED HALF LOOP FIRST END |
| End Style | SINGLE FULL LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.031 INCHES NOMINAL FIRST END IN |
| Spring Free Length | 0.525 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.062 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.132 INCHES NOMINAL IN |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.066 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| 334276 PRIMARY | Telemechanics Inc (USA) |
| Reference | Meaning |
|---|---|
| 334276 | 5/9 Secondary reference American Telephone and Telegraph Co |
NSN 5360-00-140-2118 is a Spring,helical,extension, manufactured by Telemechanics Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-140-2118 has 1 manufacturer part number on file: 334276 (Telemechanics Inc).
2 possible matches (shared part number, not a government interchangeability claim): 5930-01-064-4146, 5940-01-377-4877. Verify interchangeability with system specifications before substitution.
Key specifications for 334276: Spring Free Outside Diameter: 0.166 INCHES NOMINAL IN; End Style: MACHINED HALF LOOP FIRST END; End Style: SINGLE FULL LOOP SECOND END; Design Type: CLOSED. 13 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.