The Spring,helical,compression, cataloged under National Stock Number 5360-00-290-4601, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Ward Leonard Ct Llc. Government technical data includes 8 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 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 | 5360-00-290-4601 |
| Primary Part Number | 11400-7-1 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Ward Leonard Ct Llc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.484375 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED BOTH ENDS |
| Spring Solid Length | 0.750 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 3.000 INCHES NOMINAL IN |
| Inside Diameter | 0.412375 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL 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 |
|---|---|
| 11400-7-1 PRIMARY | Ward Leonard Ct Llc (USA) |
| 16762-18ITEM4 | Ward Leonard Ct Llc (USA) |
NSN 5360-00-290-4601 is a Spring,helical,compression, manufactured by Ward Leonard Ct Llc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-290-4601 has 2 manufacturer part numbers on file: 11400-7-1 (Ward Leonard Ct Llc), 16762-18ITEM4 (Ward Leonard Ct Llc).
1 possible match (shared part number, not a government interchangeability claim): 5950-01-181-4569. Verify interchangeability with system specifications before substitution.
Key specifications for 11400-7-1: Spring Free Outside Diameter: 0.484375 INCHES NOMINAL IN; End Style: SPRING END,SQUARED BOTH ENDS; Spring Solid Length: 0.750 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 8 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.