The Spring,helical,extension, cataloged under National Stock Number 5360-00-123-0197, 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 18 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-123-0197 |
| Primary Part Number | 11656842 |
| Item Name | Spring,helical,extension |
| 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 | 0.512 INCHES NOMINAL IN |
| Load Rating | 31.700 POUNDS MINIMUM AND 36.300 POUNDS MAXIMUM LBS |
| End Style | RAISED HOOK BOTH ENDS |
| Design Type | OPEN |
| Style Designator | CYLINDRICAL |
| Opening Width | 0.380 INCHES NOMINAL FIRST END IN |
| Opening Width | 1.120 INCHES NOMINAL BOTH ENDS IN |
| Material Document and Classification | QQ-W-428,TYPE 1 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 5.264 INCHES NOMINAL IN |
| Spring Deflection Rate | 1.000 POUNDS PER INCH NOMINAL LBS |
| Coil to Hook Inside Length | 1.710 INCHES NOMINAL SECOND END IN |
| Coil to Hook Inside Length | 0.680 INCHES NOMINAL FIRST END IN |
| Inside Diameter | 0.368 INCHES NOMINAL IN |
| Spring Length Under Load | 7.860 INCHES NOMINAL IN |
| Coil Quantity | 38 |
| Coil Helix Direction | RIGHT-HAND OR LEFT-HAND |
| Material | STEEL OVERALL |
| Hook Radius | 0.220 INCHES NOMINAL BOTH ENDS IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5360-00-123-0197 is a Spring,helical,extension, manufactured by U S Army Tank Automotive Command Amsta-Im-Mm, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-123-0197 has 2 manufacturer part numbers on file: 11656842 (U S Army Tank Automotive Command Amsta-Im-Mm), 946801 (Am General Llc).
Key specifications for 11656842: Spring Free Outside Diameter: 0.512 INCHES NOMINAL IN; Load Rating: 31.700 POUNDS MINIMUM AND 36.300 POUNDS MAXIMUM LBS; End Style: RAISED HOOK BOTH ENDS; Design Type: OPEN. 18 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.