The Washer,spring Tension, cataloged under National Stock Number 5310-01-164-4380, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-164-4380 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Hardness Rating | 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM |
| Style Designator | SPRING TENSION |
| Outside Diameter | 0.433 INCHES NOMINAL IN |
| Material Thickness | 0.039 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.209 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 |
| Reference | Meaning |
|---|---|
| SP-115310 | C/1 Advisory reference — outside the item-of-supply concept Matthew Warren, Inc. Div Maryland Precision Spring |
| SP-115310 | 3/9 Design control — primary reference Rolex Company Dba Rolex Company Div Rolex Company |
| 117118 | 5/9 Secondary reference Systron-Donner Corp Microwave/instrument Div |
NSN 5310-01-164-4380 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-164-4380: Overall Height: 0.047 INCHES MINIMUM AND 0.055 INCHES MAXIMUM IN; Hardness Rating: 43.0 ROCKWELL C MINIMUM AND 48.0 ROCKWELL C MAXIMUM; Style Designator: SPRING TENSION; Outside Diameter: 0.433 INCHES NOMINAL IN. 6 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.