The Spring,helical,extension, cataloged under National Stock Number 5360-00-443-7133, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is International Business Machines Corp Parts Order Center Dept E - 54. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-443-7133 |
| Primary Part Number | 1133665 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | International Business Machines Corp Parts Order Center Dept E - 54 |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.310 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK BOTH ENDS |
| Design Type | OPEN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.049 INCHES NOMINAL IN |
| Spring Deflection Rate | 5.740 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.244 INCHES NOMINAL IN |
| Coil Quantity | 14 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.131 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 |
|---|---|
| 1133665 PRIMARY | International Business Machines Corp Parts Order Center Dept E - 54 (USA) |
| Reference | Meaning |
|---|---|
| 1133665 | 5/9 Secondary reference International Business Machines Corporation Dba IBM |
NSN 5360-00-443-7133 is a Spring,helical,extension, manufactured by International Business Machines Corp Parts Order Center Dept E - 54, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-443-7133 has 1 manufacturer part number on file: 1133665 (International Business Machines Corp Parts Order Center Dept E - 54).
1 possible match (shared part number, not a government interchangeability claim): 5841-01-249-5137. Verify interchangeability with system specifications before substitution.
Key specifications for 1133665: Spring Free Outside Diameter: 0.310 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK BOTH ENDS; Design Type: OPEN; Style Designator: CYLINDRICAL. 11 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.