The Spring,helical,torsion, cataloged under National Stock Number 5360-01-079-7780, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Telephonics Corporation. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-079-7780 |
| Primary Part Number | 389547-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Telephonics Corporation |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.175 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | STRAIGHT BEND END (RIGHT) OVERALL |
| End Length | 0.605 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Inside Diameter | 0.135 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.156 INCHES NOMINAL OVERALL IN |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| End Angular Relationship | ENDS ANGLED 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 |
|---|---|
| 389547-1 PRIMARY | Telephonics Corporation (USA) |
| Reference | Meaning |
|---|---|
| 389547-1 | 5/9 Secondary reference L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
NSN 5360-01-079-7780 is a Spring,helical,torsion, manufactured by Telephonics Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-079-7780 has 1 manufacturer part number on file: 389547-1 (Telephonics Corporation).
Key specifications for 389547-1: Spring Free Outside Diameter: 0.175 INCHES NOMINAL IN; Surface Treatment Document and Classification: QQ-P-416,TYPE 2,CLASS 3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: STRAIGHT BEND END (RIGHT) OVERALL; End Length: 0.605 INCHES NOMINAL BOTH ENDS IN. 10 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.