The Spring,helical,extension, cataloged under National Stock Number 5360-00-316-3603, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. 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through both NSN and commercial part number lookups. 12 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-316-3603 |
| Primary Part Number | 33J737ITEM54 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.278 INCHES NOMINAL IN |
| Load Rating | 2.50 POUNDS NOMINAL LBS |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.074 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 0.745 INCHES NOMINAL IN |
| Inside Diameter | 0.221 INCHES NOMINAL IN |
| Spring Length Under Load | 1.375 INCHES NOMINAL IN |
| Coil Quantity | 13 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL 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 |
|---|---|
| 33J737ITEM54 | Westinghouse Electric Corp (USA) |
| 32J525ITEM54 | Westinghouse Electric Corp (USA) |
| 33J419ITEM1E | Westinghouse Electric Corp (USA) |
| 36J132ITEM54 | Westinghouse Electric Corp (USA) |
| S1227519 | Westinghouse Electric Corp (USA) |
| 32J702SUB8ITEM5 | Westinghouse Electric Corp (USA) |
| 33J711ITEM1E | Westinghouse Electric Corp (USA) |
| 32J702ITEM5 | Westinghouse Electric Corp (USA) |
| 32J962ITEM6 | Westinghouse Electric Corp (USA) |
| 33J738ITEM54 | Westinghouse Electric Corp (USA) |
| 33J325SUB4ITEM6 | Westinghouse Electric Corp (USA) |
| Reference | Meaning |
|---|---|
| 33J419ITEM1E | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 32J525ITEM54 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 33J711ITEM1E | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| S1227519 | 3/9 Design control — primary reference U.S. Government activity |
| S1227519 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 32J962ITEM6 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 33J325SUB4ITEM6 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 36J132ITEM54 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 32J702ITEM5 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 32J702SUB8ITEM5 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 33J738ITEM54 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
| 33J737ITEM54 | 5/9 Secondary reference Westinghouse Electric Corp Power Generation-Generator Div |
NSN 5360-00-316-3603 is a Spring,helical,extension, manufactured by Westinghouse Electric Corp, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-316-3603 has 11 manufacturer part numbers on file: 33J737ITEM54 (Westinghouse Electric Corp), 32J525ITEM54 (Westinghouse Electric Corp), 33J419ITEM1E (Westinghouse Electric Corp), 36J132ITEM54 (Westinghouse Electric Corp), S1227519 (Westinghouse Electric Corp) and 6 more.
Key specifications for 33J737ITEM54: Spring Free Outside Diameter: 0.278 INCHES NOMINAL IN; Load Rating: 2.50 POUNDS NOMINAL LBS; End Style: MACHINED HALF LOOP 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.