The Spring,helical,torsion, cataloged under National Stock Number 5360-00-340-1601, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Harshaw Chemical Co the Crystal and Electronic Products Dept. Government technical data includes 11 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-340-1601 |
| Primary Part Number | C40022 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Harshaw Chemical Co the Crystal and Electronic Products Dept |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN |
| End Style | ONE HOOK END BOTH ENDS |
| End Length | 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM FIRST END IN |
| End Length | 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM SECOND END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.080 INCHES NOMINAL IN |
| Inside Diameter | 0.133 INCHES MINIMUM AND 0.137 INCHES MAXIMUM IN |
| Coil Quantity | 3 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| 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 |
|---|---|
| C40022 PRIMARY | Harshaw Chemical Co the Crystal and Electronic Products Dept (USA) |
| Reference | Meaning |
|---|---|
| C40022 | 5/9 Secondary reference Marcraft Corp |
NSN 5360-00-340-1601 is a Spring,helical,torsion, manufactured by Harshaw Chemical Co the Crystal and Electronic Products Dept, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-340-1601 has 1 manufacturer part number on file: C40022 (Harshaw Chemical Co the Crystal and Electronic Products Dept).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-358-8325. Verify interchangeability with system specifications before substitution.
Key specifications for C40022: Spring Free Outside Diameter: 0.173 INCHES MINIMUM AND 0.177 INCHES MAXIMUM IN; End Style: ONE HOOK END BOTH ENDS; End Length: 0.210 INCHES MINIMUM AND 0.230 INCHES MAXIMUM FIRST END IN; End Length: 0.300 INCHES MINIMUM AND 0.320 INCHES MAXIMUM SECOND END IN. 11 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.