The Spring,helical,compression, cataloged under National Stock Number 5360-01-139-0396, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-139-0396 |
| Primary Part Number | 1273-078 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Accommodated Rod Diameter | 0.375 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 4.000 INCHES MINIMUM AND 4.250 INCHES MAXIMUM IN |
| Inside Diameter | 0.375 INCHES MINIMUM AND 0.406 INCHES MAXIMUM IN |
| Coil Quantity | 20 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.719 INCHES NOMINAL IN |
| 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 |
|---|---|
| 1273-078 PRIMARY | Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division (USA) |
| Reference | Meaning |
|---|---|
| PC1272-78 | C/1 Advisory reference — outside the item-of-supply concept Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division |
NSN 5360-01-139-0396 is a Spring,helical,compression, manufactured by Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-139-0396 has 1 manufacturer part number on file: 1273-078 (Belco Industries, Inc. Dba Belco Industries Inc Div Famco Machine Division).
Key specifications for 1273-078: Spring Free Outside Diameter: 0.688 INCHES MINIMUM AND 0.719 INCHES MAXIMUM IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Accommodated Rod Diameter: 0.375 INCHES NOMINAL IN; Style Designator: CYLINDRICAL. 10 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.