The Spring,helical,extension, cataloged under National Stock Number 5360-00-088-4659, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Breeze-Eastern Llc. 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 | 5360-00-088-4659 |
| Primary Part Number | SP-476 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Breeze-Eastern Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.375 INCHES NOMINAL IN |
| End Style | RAISED HOOK SECOND END |
| End Style | EXTENDED LOOP FIRST END |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.594 INCHES NOMINAL SECOND END IN |
| Spring Free Length | 2.769 INCHES NOMINAL IN |
| Coil to Hook Inside Length | 0.875 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.500 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.293 INCHES NOMINAL IN |
| Coil Quantity | 32 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL OVERALL |
| 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 |
|---|---|
| SP-476 PRIMARY | Breeze-Eastern Llc (USA) |
NSN 5360-00-088-4659 is a Spring,helical,extension, manufactured by Breeze-Eastern Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-088-4659 has 1 manufacturer part number on file: SP-476 (Breeze-Eastern Llc).
Key specifications for SP-476: Spring Free Outside Diameter: 0.375 INCHES NOMINAL IN; End Style: RAISED HOOK SECOND END; End Style: EXTENDED LOOP FIRST 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.