The Spring,helical,compression, cataloged under National Stock Number 5360-00-832-1644, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Raytheon Company Div Rmd Strategic. Government technical data includes 12 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-00-832-1644 |
| Primary Part Number | 721398-21 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Raytheon Company Div Rmd Strategic |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 3.160 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | AASTM A227 ASSN STD 1ST MATERIAL RESPONSE OVERALL |
| Spring Free Length | 9.880 INCHES MINIMUM AND 10.120 INCHES MAXIMUM IN |
| Inside Diameter | 0.898 INCHES MINIMUM AND 0.928 INCHES MAXIMUM IN |
| Coil Quantity | 29 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL UNS K06501 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 |
|---|---|
| 721398-21 | Raytheon Company Div Rmd Strategic (USA) |
| Reference | Meaning |
|---|---|
| 307 | 3/9 Design control — primary reference California Spring Co Div Peterson American Corp |
NSN 5360-00-832-1644 is a Spring,helical,compression, manufactured by Raytheon Company Div Rmd Strategic, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-832-1644 has 1 manufacturer part number on file: 721398-21 (Raytheon Company Div Rmd Strategic).
Key specifications for 721398-21: Spring Free Outside Diameter: 1.110 INCHES MINIMUM AND 1.140 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 1 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 3.160 INCHES NOMINAL IN. 12 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.