The Spring,spiral,torsion, cataloged under National Stock Number 5360-00-920-8729, is classified within Federal Supply Class 5360 (Coil, Flat, Leaf, and Wire Springs) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5360-00-920-8729 |
| Primary Part Number | 3-74142-1 |
| Item Name | Spring,spiral,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| End Radius | 0.200 INCHES NOMINAL IN |
| Stock Width | 0.625 INCHES NOMINAL IN |
| Material Document and Classification | AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Coil Quantity | 2-13/16 |
| Hub Size | 1.760 INCHES NOMINAL IN |
| Material | STEEL COMP 631 OVERALL |
| Stock Thickness | 0.158 INCHES NOMINAL 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 |
|---|---|
| 3-74142-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 3-74142-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
| 3-74142-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
NSN 5360-00-920-8729 is a Spring,spiral,torsion, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-920-8729 has 1 manufacturer part number on file: 3-74142-1 (Northrop Grumman Systems Corporation).
Key specifications for 3-74142-1: End Radius: 0.200 INCHES NOMINAL IN; Stock Width: 0.625 INCHES NOMINAL IN; Material Document and Classification: AMS 5644 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Coil Quantity: 2-13/16. 7 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.