The Spring,helical,compression, cataloged under National Stock Number 5360-00-533-6556, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Fnh Uk Ltd. Government technical data includes 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 2 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-533-6556 |
| Primary Part Number | A10926 |
| Item Name | Spring,helical,compression |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Fnh Uk Ltd |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.410 INCHES NOMINAL IN |
| End Style | SPRING END,SQUARED AND GROUND BOTH ENDS |
| Spring Solid Length | 0.330 INCHES NOMINAL IN |
| Accommodated Rod Diameter | 0.310 INCHES NOMINAL IN |
| Style Designator | CYLINDRICAL |
| Material Document and Classification | MIL-W-13604-CANCELED MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 1.000 INCHES NOMINAL IN |
| Inside Diameter | 0.328 INCHES NOMINAL IN |
| Spring Solid Outside Diameter | 0.425 INCHES NOMINAL IN |
| Coil Quantity | 8 |
| Surface Treatment | PHOSPHATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Bore Diameter | 0.500 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL B — Remove Demilitarization Key Points |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Part Number | Manufacturer |
|---|---|
| A10926 | Fnh Uk Ltd (GBR) |
| Reference | Meaning |
|---|---|
| 5336556 | 3/9 Design control — primary reference Springfield Armory |
| 5336556 | C/1 Advisory reference — outside the item-of-supply concept Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate |
NSN 5360-00-533-6556 is a Spring,helical,compression, manufactured by Fnh Uk Ltd, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-533-6556 has 1 manufacturer part number on file: A10926 (Fnh Uk Ltd).
2 possible matches (shared part number, not a government interchangeability claim): 5360-00-583-3708, 4720-01-200-2811. Verify interchangeability with system specifications before substitution.
Key specifications for A10926: Spring Free Outside Diameter: 0.410 INCHES NOMINAL IN; End Style: SPRING END,SQUARED AND GROUND BOTH ENDS; Spring Solid Length: 0.330 INCHES NOMINAL IN; Accommodated Rod Diameter: 0.310 INCHES NOMINAL IN. 14 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.
NSN 5360-00-533-6556 has DEMIL Code B. Demilitarization may be required before disposal or transfer to non-military entities.
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.