The Spring,helical,extension, cataloged under National Stock Number 5360-01-255-4791, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-255-4791 |
| Primary Part Number | 75A602513-20001 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.550 INCHES NOMINAL IN |
| End Style | SHORT TWISTED HOOK FIRST END |
| End Style | MACHINE LOOP SECOND END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.888 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.190 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.442 INCHES NOMINAL IN |
| Coil Quantity | 58 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| Hook Radius | 0.095 INCHES NOMINAL FIRST END 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 |
|---|---|
| 75A602513-20001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 75A602513-2001 | 5/9 Secondary reference The Boeing Company Div Defense |
NSN 5360-01-255-4791 is a Spring,helical,extension, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-255-4791 has 1 manufacturer part number on file: 75A602513-20001 (The Boeing Company Div Defense).
Key specifications for 75A602513-20001: Spring Free Outside Diameter: 0.550 INCHES NOMINAL IN; End Style: SHORT TWISTED HOOK FIRST END; End Style: MACHINE LOOP SECOND END; 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.