The Spring,helical,torsion, cataloged under National Stock Number 5360-00-321-6184, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is U S Army Tank Automotive Command Amsta-Im-Mm. Government technical data includes 21 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-321-6184 |
| Primary Part Number | 8341554 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | U S Army Tank Automotive Command Amsta-Im-Mm |
| Status | ACTIVE |
| Spring Free Outside Diameter | 0.786 INCHES MINIMUM AND 0.848 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| End Style | STRAIGHT BEND END (RIGHT) SECOND END |
| End Style | STRAIGHT BEND END (LEFT) FIRST END |
| End Length | 1.500 INCHES NOMINAL BOTH ENDS IN |
| Center Section Width | 2.065 INCHES MINIMUM AND 2.252 INCHES MAXIMUM IN |
| Style Designator | DOUBLE TORSION, RIGHT AND LEFT HAND |
| Material Document and Classification | QQ-W-470 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 2.422 INCHES MINIMUM AND 2.660 INCHES MAXIMUM IN |
| First Bend Radius | 0.500 INCHES NOMINAL OVERALL IN |
| Coil Axis to Center Section Distance | 2.780 INCHES NOMINAL IN |
| Inside Diameter | 0.594 INCHES MINIMUM AND 0.656 INCHES MAXIMUM IN |
| Stock Diameter | 0.095 INCHES NOMINAL IN |
| End Length From First Bend to Second Bend or End | 0.312 INCHES NOMINAL BOTH ENDS IN |
| Coil Quantity | 2-7/8 |
| Surface Treatment | CADMIUM AND CHROMATE OVERALL |
| Center Loop Radius | 0.500 INCHES NOMINAL IN |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Center Style | U TYPE |
| Material | STEEL UNS K08500 OVERALL |
| End Angular Relationship | END W/LH HELIX OF COIL ANGLED TO CENTER SECTION OR END W/RH HELIX OF COIL ANGLED TO CENTER SECTION |
| 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 |
|---|---|
| 8341554 | Goriziane Group Spa (ITA) |
| 8341554 PRIMARY | U S Army Tank Automotive Command Amsta-Im-Mm (USA) |
| 8341554 | Fnss Savunma Sistemleri Anonim Sirketi (TUR) |
| 145510232 | Leonardo S.p.a. - Electronics Division - Defence Business Area (ITA) |
| Reference | Meaning |
|---|---|
| 10082499 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 5360003216184 | 6/9 Informative reference only E.c.a Etablissement Central Des Approvisionnements Des Forces Armees Royales |
NSN 5360-00-321-6184 is a Spring,helical,torsion, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-321-6184 has 4 manufacturer part numbers on file: 8341554 (Goriziane Group Spa), 8341554 (U S Army Tank Automotive Command Amsta-Im-Mm), 8341554 (Fnss Savunma Sistemleri Anonim Sirketi), 145510232 (Leonardo S.p.a. - Electronics Division - Defence Business Area).
Key specifications for 8341554: Spring Free Outside Diameter: 0.786 INCHES MINIMUM AND 0.848 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-416,TY2,CL3 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; End Style: STRAIGHT BEND END (RIGHT) SECOND END; End Style: STRAIGHT BEND END (LEFT) FIRST END. 21 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.