The Spring,helical,torsion, cataloged under National Stock Number 5360-00-072-7351, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5360-00-072-7351 |
| Primary Part Number | 6-50774-1 |
| Item Name | Spring,helical,torsion |
| FSC / FSG | 5360 / 53 — Coil, Flat, Leaf, and Wire Springs |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| End Style | OFFSET HINGE END, LEFT SIDE BOTH ENDS |
| End Length | 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM FIRST END IN |
| End Length | 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM SECOND END IN |
| Style Designator | SINGLE TORSION LEFT HAND |
| Material Document and Classification | AMS 5673, 17-7PH, COND C ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Spring Free Length | 4.000 INCHES NOMINAL IN |
| Inside Diameter | 0.310 INCHES NOMINAL IN |
| Coil Quantity | 5-1/2 |
| Coil Helix Direction | LEFT-HAND |
| Material | STEEL COMP 631 OVERALL |
| End Angular Relationship | ENDS ANGLED ONE TO OTHER |
| Hook Radius | 0.100 INCHES NOMINAL FIRST END IN |
| Hook Radius | 0.055 INCHES NOMINAL SECOND END IN |
| Hook Opening Width | 0.050 INCHES MAXIMUM SECOND 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 |
|---|---|
| 6-50774-1 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| 6-50774-1 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Is Div Northrop Grumman Aeronautics Systems |
| 6-50774-1 | 5/9 Secondary reference Northrop Grumman Technical Services, Inc. Dba Defense Systems Sector |
NSN 5360-00-072-7351 is a Spring,helical,torsion, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5360, Coil, Flat, Leaf, and Wire Springs. Status: active.
NSN 5360-00-072-7351 has 1 manufacturer part number on file: 6-50774-1 (Northrop Grumman Systems Corporation).
Key specifications for 6-50774-1: End Style: OFFSET HINGE END, LEFT SIDE BOTH ENDS; End Length: 0.380 INCHES MINIMUM AND 0.420 INCHES MAXIMUM FIRST END IN; End Length: 0.760 INCHES MINIMUM AND 0.800 INCHES MAXIMUM SECOND END IN; Style Designator: SINGLE TORSION LEFT HAND. 14 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.