The Spring,helical,extension, cataloged under National Stock Number 5360-00-597-2172, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier. Government technical data includes 14 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 | 5360-00-597-2172 |
| Primary Part Number | 417042PC3 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.110 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 57-0-2C,TYPE 3,CLASS A,GRADE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.050 INCHES NOMINAL FIRST END IN |
| Opening Width | 0.441 INCHES NOMINAL BOTH ENDS IN |
| Spring Free Length | 0.942 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.150 INCHES NOMINAL FIRST END IN |
| Coil to Hook Inside Length | 0.451 INCHES NOMINAL SECOND END IN |
| Inside Diameter | 0.099 INCHES NOMINAL IN |
| Coil Quantity | 29 |
| Surface Treatment | OXIDE OVERALL |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| 417042PC3 PRIMARY | Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier (USA) |
NSN 5360-00-597-2172 is a Spring,helical,extension, manufactured by Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-597-2172 has 1 manufacturer part number on file: 417042PC3 (Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier).
Key specifications for 417042PC3: Spring Free Outside Diameter: 0.110 INCHES NOMINAL IN; Surface Treatment Document and Classification: 57-0-2C,TYPE 3,CLASS A,GRADE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: RAISED HOOK BOTH ENDS; Design Type: CLOSED. 14 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.