The Spring,helical,compression, cataloged under National Stock Number 5360-00-841-5210, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hatch & Kirk, Inc.. Government technical data includes 9 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-841-5210 |
| Primary Part Number | 3309633 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hatch & Kirk, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.365 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.5625 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 1.750 INCHES NOMINAL IN |
| Inside Diameter | 1.137 INCHES MINIMUM AND 1.147 INCHES MAXIMUM IN |
| Coil Quantity | 5 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | COBALT ALLOY OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-841-5210 is a Spring,helical,compression, manufactured by Hatch & Kirk, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-841-5210 has 2 manufacturer part numbers on file: 3309633 (Hatch & Kirk, Inc.), 31953 (Arvinmeritor Inc).
1 possible match (shared part number, not a government interchangeability claim): 6515-01-429-3861. Verify interchangeability with system specifications before substitution.
Key specifications for 3309633: Spring Free Outside Diameter: 1.365 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.5625 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 9 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.