The Spring,helical,torsion, cataloged under National Stock Number 5360-00-903-5840, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. Government technical data includes 13 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-903-5840 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.192 INCHES NOMINAL IN |
| End Style | ONE HOOK END FIRST END |
| End Style | RIGHT HAND HELIX SECOND END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.072 INCHES NOMINAL IN |
| Inside Diameter | 0.156 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.094 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 3 |
| End Length From Third Bend or End | 0.094 INCHES NOMINAL OVERALL IN |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.116 INCHES NOMINAL OVERALL IN |
| End Angular Relationship | ENDS PARALLEL ONE TO OTHER |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 131797 | 3/9 Design control — primary reference American Telephone and Telegraph Co |
| 131797 | 5/9 Secondary reference At and T Corp |
| 131797 | C/1 Advisory reference — outside the item-of-supply concept Lucent Technologies Inc Corporate Headquarters |
NSN 5360-00-903-5840 is a Spring,helical,torsion, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
3 possible matches (shared part number, not a government interchangeability claim): 5905-01-121-4744, 5325-01-263-1099, 3020-01-352-0069. Verify interchangeability with system specifications before substitution.
Key specifications for 5360-00-903-5840: Spring Free Outside Diameter: 0.192 INCHES NOMINAL IN; End Style: ONE HOOK END FIRST END; End Style: RIGHT HAND HELIX SECOND END; Style Designator: SINGLE TORSION LEFT HAND. 13 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.