The Spring,helical,torsion, cataloged under National Stock Number 5360-01-574-8791, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Velan Valve Corp.. Government technical data includes 5 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-574-8791 |
| Primary Part Number | 546-02004-177 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Velan Valve Corp. |
| Status | ACTIVE |
| Style Designator | SINGLE TORSION, RIGHT HAND |
| Material Document and Classification | ASTM B 637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Coil Quantity | 22 |
| Coil Helix Direction | RIGHT-HAND |
| Material | NICKEL ALLOY X-750 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 |
|---|---|
| 546-02004-177 PRIMARY | Velan Valve Corp. (USA) |
| HMM11-2A-001/HMM11-2A-001-1XX-06 | Velan Valve Corp. (USA) |
| HMM11-2A-001-1XXX-06 | Velan Valve Corp. (USA) |
| HMM11-2A-001-1XX-06 PRIMARY | Velan Valve Corp. (USA) |
NSN 5360-01-574-8791 is a Spring,helical,torsion, manufactured by Velan Valve Corp., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-574-8791 has 4 manufacturer part numbers on file: 546-02004-177 (Velan Valve Corp.), HMM11-2A-001/HMM11-2A-001-1XX-06 (Velan Valve Corp.), HMM11-2A-001-1XXX-06 (Velan Valve Corp.), HMM11-2A-001-1XX-06 (Velan Valve Corp.).
Key specifications for 546-02004-177: Style Designator: SINGLE TORSION, RIGHT HAND; Material Document and Classification: ASTM B 637 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Coil Quantity: 22; End Item Identification: VALVE,CHECK,WAFER 2 IN IN. 5 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.