The Spring,helical,extension, cataloged under National Stock Number 5360-01-109-7871, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 12 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-109-7871 |
| Primary Part Number | PWA51261-29 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.250 INCHES NOMINAL IN |
| Load Rating | 16.00 POUNDS NOMINAL LBS |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | SHORT LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 5.940 INCHES NOMINAL IN |
| Spring Deflection Rate | 40.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.406 INCHES NOMINAL IN |
| Spring Length Under Load | 0.300 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| PWA51261-29 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
| Reference | Meaning |
|---|---|
| PWA51261-29 | 5/9 Secondary reference Rtx Corporation Div Pratt & Whitney |
| SE5X1/4X.047 | 5/9 Secondary reference Hardware Products Co Inc |
NSN 5360-01-109-7871 is a Spring,helical,extension, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-109-7871 has 1 manufacturer part number on file: PWA51261-29 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
Key specifications for PWA51261-29: Spring Free Outside Diameter: 0.250 INCHES NOMINAL IN; Load Rating: 16.00 POUNDS NOMINAL LBS; End Style: SHORT TWISTED HOOK FIRST END; End Style: SHORT LOOP SECOND END. 12 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.