The Spring,helical,torsion, cataloged under National Stock Number 5360-01-005-0771, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division. Government technical data includes 9 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-005-0771 |
| Primary Part Number | 103B131-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division |
| Status | ACTIVE |
| Spring Free Outside Diameter | 1.646 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | C-7,FORD INSTRUMENT CO MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Style Designator | SINGLE TORSION LEFT HAND |
| Spring Free Length | 2.400 INCHES NOMINAL IN |
| Inside Diameter | 1.350 INCHES NOMINAL IN |
| Coil Quantity | 15 |
| Surface Treatment | PHOSPHATE MANGANESE OVERALL |
| Coil Helix Direction | RIGHT-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 |
|---|---|
| 103B131-1 PRIMARY | Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 103B131-1 | 5/9 Secondary reference Eaton Motor Site |
NSN 5360-01-005-0771 is a Spring,helical,torsion, manufactured by Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-005-0771 has 1 manufacturer part number on file: 103B131-1 (Eaton Aerospace Llc Dba Eaton Inoac Div Fuel & Motion Control Systems Division).
Key specifications for 103B131-1: Spring Free Outside Diameter: 1.646 INCHES NOMINAL IN; Surface Treatment Document and Classification: C-7,FORD INSTRUMENT CO MFR REF SINGLE TREATMENT RESPONSE OVERALL; Style Designator: SINGLE TORSION LEFT HAND; Spring Free Length: 2.400 INCHES NOMINAL IN. 9 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.