The Washer,spring Tension, cataloged under National Stock Number 5310-01-420-0052, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-420-0052 |
| Primary Part Number | 03A329-1125-56L |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems |
| Status | ACTIVE |
| Style Designator | SPRING TENSION |
| Material Document and Classification | MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 1.085 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Material Thickness | 0.056 INCHES NOMINAL IN |
| Surface Treatment | LUBRICANT OVERALL |
| Material | STEEL COMP 302 OVERALL |
| Hole Diameter | 0.567 INCHES MINIMUM AND 0.607 INCHES MAXIMUM 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 |
|---|---|
| 03A329-1125-56L PRIMARY | Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems (USA) |
NSN 5310-01-420-0052 is a Washer,spring Tension, manufactured by Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-420-0052 has 1 manufacturer part number on file: 03A329-1125-56L (Northrop Grumman Systems Corp Dba Northrop Grumman Computing Systems).
Key specifications for 03A329-1125-56L: Overall Height: 0.084 INCHES NOMINAL IN; Style Designator: SPRING TENSION; Material Document and Classification: MIL-S-5059 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL; Outside Diameter: 1.085 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN. 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.