The Spring,helical,extension, cataloged under National Stock Number 5360-00-935-8920, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Clarkson Industries Inc Hoffman Air and Filtration Systems Div. Government technical data includes 11 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 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 | 5360-00-935-8920 |
| Primary Part Number | 061438 |
| Item Name | Spring,helical,extension |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Clarkson Industries Inc Hoffman Air and Filtration Systems Div |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.223 INCHES NOMINAL IN |
| Load Rating | 0.92 POUNDS NOMINAL LBS |
| End Style | MACHINED HALF LOOP BOTH ENDS |
| Design Type | CLOSED |
| Style Designator | CYLINDRICAL |
| Spring Free Length | 9.736 INCHES NOMINAL IN |
| Inside Diameter | 0.167 INCHES NOMINAL IN |
| Spring Length Under Load | 11.200 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL CORROSION RESISTING OVERALL |
| Hook Radius | 0.087 INCHES NOMINAL BOTH ENDS IN |
| 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 |
|---|---|
| 061438 PRIMARY | Clarkson Industries Inc Hoffman Air and Filtration Systems Div (USA) |
NSN 5360-00-935-8920 is a Spring,helical,extension, manufactured by Clarkson Industries Inc Hoffman Air and Filtration Systems Div, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-935-8920 has 1 manufacturer part number on file: 061438 (Clarkson Industries Inc Hoffman Air and Filtration Systems Div).
2 possible matches (shared part number, not a government interchangeability claim): 3110-01-328-3514, 5330-01-626-4689. Verify interchangeability with system specifications before substitution.
Key specifications for 061438: Spring Free Outside Diameter: 0.223 INCHES NOMINAL IN; Load Rating: 0.92 POUNDS NOMINAL LBS; End Style: MACHINED HALF LOOP BOTH ENDS; Design Type: CLOSED. 11 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.