The Spring,helical,extension, cataloged under National Stock Number 5360-00-506-9101, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-506-9101 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN |
| End Style | MACHINE LOOP BOTH ENDSMACHINE LOOP BOTH ENDS |
| Design Type | CLOSEDCLOSED |
| Style Designator | CYLINDRICALCYLINDRICAL |
| Opening Width | 0.187 INCHES MINIMUM AND 0.187 INCHES MINIMUM AND 0.312 INCHES MAXIMUM BOTH ENDS0.312 INCHES MAXIMUM BOTH ENDS IN |
| Material Document and Classification | SAE ASSN STD SINGLE MATERIAL RESPONSE OVERALLSAE ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 8.125 INCHES NOMINAL8.125 INCHES NOMINAL IN |
| Spring Deflection Rate | 4.000 POUNDS PER INCH NOMINAL4.000 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 0.375 INCHES NOMINAL0.375 INCHES NOMINAL IN |
| Coil Quantity | 111111 |
| Coil Helix Direction | RIGHT-HAND OR RIGHT-HAND OR LEFT-HANDLEFT-HAND |
| Material | STEEL COMP 1065 OVERALL |
| Hook Radius | 0.250 INCHES NOMINAL BOTH ENDS0.250 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 |
| Reference | Meaning |
|---|---|
| 218-378 | 3/9 Design control — primary reference U.S. Government activity |
NSN 5360-00-506-9101 is a Spring,helical,extension, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 5330-01-441-4399. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-506-9101: Spring Free Outside Diameter: 0.500 INCHES NOMINAL0.500 INCHES NOMINAL IN; End Style: MACHINE LOOP BOTH ENDSMACHINE LOOP BOTH ENDS; Design Type: CLOSEDCLOSED; Style Designator: CYLINDRICALCYLINDRICAL. 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.