The Spring,helical,compression, cataloged under National Stock Number 5360-01-631-9451, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Southco Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-631-9451 |
| Primary Part Number | 3519-SS-PAS |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| 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 |
|---|---|
| 3519-SS-PAS | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| 7435582 | D/9 Drawing number reference only U.S. Government activity |
| 7435582P5 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5360-01-631-9451 is a Spring,helical,compression, manufactured by Southco Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-631-9451 has 1 manufacturer part number on file: 3519-SS-PAS (Southco Inc).
1 possible match (shared part number, not a government interchangeability claim): 5325-01-631-9461. Verify interchangeability with system specifications before substitution.
Key specifications for 3519-SS-PAS: Part Name Assigned by Controlling Agency: STUD-SPRING-CUP FASTENER. 0 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.