The Spring,helical,compression, cataloged under National Stock Number 5360-00-291-4240, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Sloan Valve Company. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-291-4240 |
| Primary Part Number | NB10 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Sloan Valve Company |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.644 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.391 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-W-16602 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 0.938 INCHES NOMINAL IN |
| Inside Diameter | 0.500 INCHES NOMINAL IN |
| Coil Quantity | 5-1/2 |
| Coil Helix Direction | RIGHT-HAND |
| Material | COPPER ALLOY 510 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 |
|---|---|
| NB10 PRIMARY | Sloan Valve Company (USA) |
NSN 5360-00-291-4240 is a Spring,helical,compression, manufactured by Sloan Valve Company, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-291-4240 has 1 manufacturer part number on file: NB10 (Sloan Valve Company).
Key specifications for NB10: Spring Free Outside Diameter: 0.644 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.391 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.