The Washer,spring Tension, cataloged under National Stock Number 5310-00-978-9764, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 7 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-978-9764 |
| Item Name | Washer,spring Tension |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Finish | 125.0 MICROINCHES ALL SURFACES |
| Style Designator | SPRING TENSION |
| Material Document and Classification | AISI/SAE 6150,COND GR ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Outside Diameter | 0.388 INCHES MINIMUM AND 0.394 INCHES MAXIMUM IN |
| Material Thickness | 0.019 INCHES MINIMUM AND 0.021 INCHES MAXIMUM IN |
| Material | STEEL OVERALL |
| Hole Diameter | 0.205 INCHES MINIMUM AND 0.210 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 |
| Reference | Meaning |
|---|---|
| 1828158 | 3/9 Design control — primary reference Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier |
| BS10-5-2-0-5 | C/1 Advisory reference — outside the item-of-supply concept Bearing Engineers Inc Dba Motion Solutions |
| BS10-52-05 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-978-9764 is a Washer,spring Tension, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-978-9764: Surface Finish: 125.0 MICROINCHES ALL SURFACES; Overall Height: 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM IN; Style Designator: SPRING TENSION; Material Document and Classification: AISI/SAE 6150,COND GR ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.