The Spring,helical,extension, cataloged under National Stock Number 5360-00-597-2137, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Defense Logistics Agency Dba Defense Supply Center Philadelphia. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-597-2137 |
| Primary Part Number | 5360005972137 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Defense Logistics Agency Dba Defense Supply Center Philadelphia |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.250 INCHES NOMINAL IN |
| End Style | EXTENDED LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 10.064 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 2.000 INCHES NOMINAL BOTH ENDS IN |
| Inside Diameter | 1.010 INCHES NOMINAL IN |
| Coil Quantity | 46-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | LEFT-HAND OR RIGHT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL PARALLEL TO CENTER SECTION AND END W/RH HELIX OF COIL PARALLEL TO CENTER SECTION |
| Hook Radius | 0.1875 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 |
|---|---|
| 5360005972137 PRIMARY | Defense Logistics Agency Dba Defense Supply Center Philadelphia (USA) |
NSN 5360-00-597-2137 is a Spring,helical,extension, manufactured by Defense Logistics Agency Dba Defense Supply Center Philadelphia, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-597-2137 has 1 manufacturer part number on file: 5360005972137 (Defense Logistics Agency Dba Defense Supply Center Philadelphia).
Key specifications for 5360005972137: Spring Free Outside Diameter: 1.250 INCHES NOMINAL IN; End Style: EXTENDED LOOP BOTH ENDS; Design Type: CLOSED; Style Designator: CYLINDRICAL. 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.