The Spring,helical,extension, cataloged under National Stock Number 5360-00-972-8905, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Automatic Switch Company Dba Asco. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-972-8905 |
| Primary Part Number | FV35-549 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Automatic Switch Company Dba Asco |
| Status | ACTIVE |
| 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 |
|---|---|
| AV78-155PC20 | Automatic Switch Company Dba Asco (USA) |
| FV35-549 PRIMARY | Automatic Switch Company Dba Asco (USA) |
| Reference | Meaning |
|---|---|
| FV-216-831 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-972-8905 is a Spring,helical,extension, manufactured by Automatic Switch Company Dba Asco, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-972-8905 has 2 manufacturer part numbers on file: AV78-155PC20 (Automatic Switch Company Dba Asco), FV35-549 (Automatic Switch Company Dba Asco).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-363-4430. Verify interchangeability with system specifications before substitution.
Key specifications for FV35-549: Material: STEEL CORROSION RESISTING OVERALL. 1 specification is 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.