The Spring,helical,torsion, cataloged under National Stock Number 5360-00-308-7378, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.. Government technical data includes 13 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5360-00-308-7378 |
| Primary Part Number | 177037A00 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.984 INCHES NOMINAL IN |
| End Style | HALF HOOK SECOND END |
| End Style | ONE HOOK END FIRST END |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 0.500 INCHES NOMINAL IN |
| Inside Diameter | 0.766 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.500 INCHES NOMINAL OVERALL IN |
| Coil Quantity | 4-1/2 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| End Length From Second Bend to Third Bend or End | 0.375 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 |
| Part Number | Manufacturer |
|---|---|
| 177037A00 | L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 5360PL1244825 | 6/9 Informative reference only Jednolity Indeks Materialowy - Uniform Material Index |
| 177037A | 3/9 Design control — primary reference L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc. |
NSN 5360-00-308-7378 is a Spring,helical,torsion, manufactured by L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc., classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-308-7378 has 1 manufacturer part number on file: 177037A00 (L3harris Maritime Power & Energy Solutions, Inc. Dba Spd Electrical Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 5360-01-494-3391. Verify interchangeability with system specifications before substitution.
Key specifications for 177037A00: Spring Free Outside Diameter: 0.984 INCHES NOMINAL IN; End Style: HALF HOOK SECOND END; End Style: ONE HOOK END FIRST 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.