The Spring,helical,compression, cataloged under National Stock Number 5360-01-283-9020, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Mell R F Spring and Mfg Co. Government technical data includes 9 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-283-9020 |
| Primary Part Number | M4965 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Mell R F Spring and Mfg Co |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.599 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.770 INCHES MAXIMUM IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 2.225 INCHES MAXIMUM IN |
| Inside Diameter | 0.443 INCHES NOMINAL IN |
| Coil Quantity | 12-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL CORROSION RESISTING 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 |
|---|---|
| M4965 PRIMARY | Mell R F Spring and Mfg Co (USA) |
NSN 5360-01-283-9020 is a Spring,helical,compression, manufactured by Mell R F Spring and Mfg Co, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-283-9020 has 1 manufacturer part number on file: M4965 (Mell R F Spring and Mfg Co).
Key specifications for M4965: Spring Free Outside Diameter: 0.599 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.770 INCHES MAXIMUM 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.