The Spring,helical,torsion, cataloged under National Stock Number 5360-01-188-9729, 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 19 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5360-01-188-9729 |
| Primary Part Number | 75A320984-2004 |
| 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 | 0.895 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| End Style | EXTENDED EYE END FIRST END |
| End Style | STRAIGHT BEND END (RIGHT) SECOND END |
| End Length | 1.555 INCHES NOMINAL SECOND END IN |
| End Length | 2.105 INCHES NOMINAL FIRST END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 3.000 INCHES NOMINAL IN |
| Spring Deflection Rate | 17.000 POUNDS PER INCH MINIMUM AND 23.000 POUNDS PER INCH MAXIMUM LBS |
| Inside Diameter | 0.605 INCHES NOMINAL IN |
| Stock Diameter | 0.145 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.750 INCHES NOMINAL SECOND END IN |
| Coil Quantity | 19 |
| Surface Treatment | CADMIUM OVERALL |
| Coil Helix Direction | RIGHT-HAND |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.300 INCHES NOMINAL FIRST END IN |
| 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 |
|---|---|
| 75A320984-2004 PRIMARY | The Boeing Company Div Defense (USA) |
| 75A320984-2004 | Car-Graph, Inc. Dba Phoenix Spring Co. Div Car-Graph, Inc Dba Phoenix Spring Co. (USA) |
| Reference | Meaning |
|---|---|
| 75A320984-2004 | 5/9 Secondary reference Ebsco Spring Co. Inc. |
NSN 5360-01-188-9729 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 5360-01-188-9729 has 2 manufacturer part numbers on file: 75A320984-2004 (The Boeing Company Div Defense), 75A320984-2004 (Car-Graph, Inc. Dba Phoenix Spring Co. Div Car-Graph, Inc Dba Phoenix Spring Co.).
Key specifications for 75A320984-2004: Spring Free Outside Diameter: 0.895 INCHES NOMINAL IN; Surface Treatment Document and Classification: PS13145,TYPE 2,CLASS 1,MCDONNELL DOUGLAS CORP MFR REF SINGLE TREATMENT RESPONSE OVERALL; End Style: EXTENDED EYE END FIRST END; End Style: STRAIGHT BEND END (RIGHT) SECOND END. 19 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.