The Spring,helical,torsion, cataloged under National Stock Number 5360-01-191-3508, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 16 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-01-191-3508 |
| Primary Part Number | 75A321204-2001 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.655 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | STRAIGHT BEND END (LEFT) BOTH ENDS |
| End Length | 0.720 INCHES NOMINAL BOTH ENDS IN |
| Style Designator | DOUBLE TORSION, RIGHT AND LEFT HAND |
| Material Document and Classification | AMS 5678 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.300 INCHES NOMINAL IN |
| Inside Diameter | 0.445 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.500 INCHES NOMINAL BOTH ENDS IN |
| Coil Quantity | 7 |
| Surface Treatment | CADMIUM OVERALL |
| Center Loop Radius | 0.270 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Center Style | U TYPE |
| Material | STEEL COMP 631 OVERALL |
| 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 |
|---|---|
| 75A321204-2001 PRIMARY | The Boeing Company Div Defense (USA) |
NSN 5360-01-191-3508 is a Spring,helical,torsion, manufactured by The Boeing Company Div Defense, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-01-191-3508 has 1 manufacturer part number on file: 75A321204-2001 (The Boeing Company Div Defense).
Key specifications for 75A321204-2001: Spring Free Outside Diameter: 0.655 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: STRAIGHT BEND END (LEFT) BOTH ENDS; End Length: 0.720 INCHES NOMINAL BOTH ENDS IN. 16 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.