The Spring,helical,extension, cataloged under National Stock Number 5360-01-129-1954, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Stanco Tool & Die, Inc. Dba Curtis Tool. Government technical data includes 4 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-129-1954 |
| Primary Part Number | PWA50133-7 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Stanco Tool & Die, Inc. Dba Curtis Tool |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.310 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Style Designator | CYLINDRICAL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| 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 |
|---|---|
| PWA50133-7 PRIMARY | Stanco Tool & Die, Inc. Dba Curtis Tool (USA) |
| Reference | Meaning |
|---|---|
| PWA50133-7 | 5/9 Secondary reference Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
NSN 5360-01-129-1954 is a Spring,helical,extension, manufactured by Stanco Tool & Die, Inc. Dba Curtis Tool, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-129-1954 has 1 manufacturer part number on file: PWA50133-7 (Stanco Tool & Die, Inc. Dba Curtis Tool).
Key specifications for PWA50133-7: Spring Free Outside Diameter: 0.310 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Style Designator: CYLINDRICAL; Special Features: STEEL,AISI 1020,SOLDERED TO ONE END;0.500 IN HIGH AND 0.380 IN WIDE AND0.030 THICK IN. 4 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.