The Spring,helical,compression, cataloged under National Stock Number 5360-01-036-0459, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Hartford Compressors Inc. Government technical data includes 6 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-01-036-0459 |
| Primary Part Number | SPG31 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Hartford Compressors Inc |
| Status | ACTIVE |
| Spring Solid Length | 0.326 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL CONVEX END |
| Coil Quantity | 10.5 |
| Surface Treatment | CHROMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-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 |
|---|---|
| SPG31 PRIMARY | Hartford Compressors Inc (USA) |
| Reference | Meaning |
|---|---|
| SPG31 | C/1 Advisory reference — outside the item-of-supply concept Midstate Spring, Inc. Dba Syracuse Midstate Spring |
NSN 5360-01-036-0459 is a Spring,helical,compression, manufactured by Hartford Compressors Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-036-0459 has 1 manufacturer part number on file: SPG31 (Hartford Compressors Inc).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-290-3736. Verify interchangeability with system specifications before substitution.
Key specifications for SPG31: Spring Solid Length: 0.326 INCHES NOMINAL IN; Style Designator: CYLINDRICAL CONVEX END; Coil Quantity: 10.5; Surface Treatment: CHROMIUM OVERALL. 6 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.