The Spring,helical,compression, cataloged under National Stock Number 5360-01-658-0171, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Spring Works Utah, Inc Dba Spring Works Utah. 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 | 5360-01-658-0171 |
| Primary Part Number | 300-40549 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Spring Works Utah, Inc Dba Spring Works Utah |
| Status | ACTIVE |
| Spring Free Outside Diameter | 4.344 INCHES MINIMUM AND 4.406 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 20.000 INCHES MAXIMUM IN |
| Accommodated Rod Diameter | 3.083 INCHES MINIMUM AND 3.103 INCHES MAXIMUM IN |
| Active Coil Quantity | 17 |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | QQ-S-624 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 29.490 INCHES MINIMUM AND 29.510 INCHES MAXIMUM IN |
| Spring Deflection Rate | 1650.0 POUNDS PER INCH NOMINAL LBS |
| Inside Diameter | 3.156 INCHES MINIMUM AND 3.344 INCHES MAXIMUM IN |
| Stock Diameter | 1.094 INCHES MINIMUM AND 1.156 INCHES MAXIMUM IN |
| Coil Quantity | 19 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 51B60 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 |
|---|---|
| 300-40549 PRIMARY | Spring Works Utah, Inc Dba Spring Works Utah (USA) |
NSN 5360-01-658-0171 is a Spring,helical,compression, manufactured by Spring Works Utah, Inc Dba Spring Works Utah, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-658-0171 has 1 manufacturer part number on file: 300-40549 (Spring Works Utah, Inc Dba Spring Works Utah).
Key specifications for 300-40549: Spring Free Outside Diameter: 4.344 INCHES MINIMUM AND 4.406 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 20.000 INCHES MAXIMUM IN; Accommodated Rod Diameter: 3.083 INCHES MINIMUM AND 3.103 INCHES MAXIMUM IN. 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.