The Spring,helical,extension, cataloged under National Stock Number 5360-00-312-3374, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Corp Opns & Technical Center. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 11 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 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 | 5360-00-312-3374 |
| Primary Part Number | 69-277 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Eaton Corp Opns & Technical Center |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.281 INCHES NOMINAL IN |
| Load Rating | 1.300 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.184 INCHES NOMINAL IN |
| Spring Deflection Rate | 0.830 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.227 INCHES NOMINAL IN |
| Spring Length Under Load | 4.125 INCHES NOMINAL IN |
| Coil Quantity | 62-1/5 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.110 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 |
|---|---|
| 70007W1ITEM25 | Eaton Corp Opns & Technical Center (USA) |
| A70-1ITEM6 | Eaton Corp Opns & Technical Center (USA) |
| 2145DSPLPC13 | Eaton Corp Opns & Technical Center (USA) |
| 2670ITEM9 | Eaton Corp Opns & Technical Center (USA) |
| 2668ITEM25 | Eaton Corp Opns & Technical Center (USA) |
| 69-277 PRIMARY | Eaton Corp Opns & Technical Center (USA) |
| 1965-1ITEM9 | Eaton Corp Opns & Technical Center (USA) |
| 2174-1ITEM6 | Eaton Corp Opns & Technical Center (USA) |
| 83001W1ITEM7 | Eaton Corp Opns & Technical Center (USA) |
| 2342-2TAG7 | Eaton Corp Opns & Technical Center (USA) |
| 4585ITEM7 | Eaton Corp Opns & Technical Center (USA) |
NSN 5360-00-312-3374 is a Spring,helical,extension, manufactured by Eaton Corp Opns & Technical Center, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-312-3374 has 11 manufacturer part numbers on file: 70007W1ITEM25 (Eaton Corp Opns & Technical Center), A70-1ITEM6 (Eaton Corp Opns & Technical Center), 2145DSPLPC13 (Eaton Corp Opns & Technical Center), 2670ITEM9 (Eaton Corp Opns & Technical Center), 2668ITEM25 (Eaton Corp Opns & Technical Center) and 6 more.
2 possible matches (shared part number, not a government interchangeability claim): 2990-00-374-4333, 5360-01-339-0703. Verify interchangeability with system specifications before substitution.
Key specifications for 69-277: Spring Free Outside Diameter: 0.281 INCHES NOMINAL IN; Load Rating: 1.300 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK BOTH ENDS; 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.