The Spring,helical,torsion, cataloged under National Stock Number 5360-00-138-4491, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Kalmar AC Inc. 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-138-4491 |
| Primary Part Number | 74806104-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Kalmar AC Inc |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.837 INCHES NOMINAL IN |
| End Style | OFFSET HINGE END, RIGHT SIDE OVERALL |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 1.125 INCHES NOMINAL IN |
| Inside Diameter | 0.609 INCHES NOMINAL IN |
| Coil Quantity | 7 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.170 INCHES NOMINAL OVERALL IN |
| Hook Opening Width | 0.130 INCHES NOMINAL OVERALL 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 |
|---|---|
| 74806104-1 PRIMARY | Kalmar AC Inc (USA) |
| Reference | Meaning |
|---|---|
| 4806104-8 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5360-00-138-4491 is a Spring,helical,torsion, manufactured by Kalmar AC Inc, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-138-4491 has 1 manufacturer part number on file: 74806104-1 (Kalmar AC Inc).
Key specifications for 74806104-1: Spring Free Outside Diameter: 0.837 INCHES NOMINAL IN; End Style: OFFSET HINGE END, RIGHT SIDE OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 1.125 INCHES NOMINAL IN. 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.