The Spring,helical,compression, cataloged under National Stock Number 5360-01-044-9027, 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. Government technical data includes 8 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-044-9027 |
| Primary Part Number | 3519-K3B |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Southco Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.328 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-C-14538 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.235 INCHES NOMINAL IN |
| Coil Quantity | 3 |
| Surface Treatment | CHROMATE OVERALL |
| Material | STEEL UNS K08500 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 |
|---|---|
| 3519-K3B PRIMARY | Southco Inc (USA) |
| Reference | Meaning |
|---|---|
| PS35KBB | 3/9 Design control — primary reference Southco Inc |
| PS3-1-2BLACKCHROMEMILC14538 | 5/9 Secondary reference Southco Inc |
NSN 5360-01-044-9027 is a Spring,helical,compression, manufactured by Southco Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-044-9027 has 1 manufacturer part number on file: 3519-K3B (Southco Inc).
Key specifications for 3519-K3B: Spring Free Outside Diameter: 0.328 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-C-14538 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Material Document and Classification: QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 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.