The Washer,preload Indicating, cataloged under National Stock Number 5310-01-331-7616, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 3 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-331-7616 |
| Item Name | Washer,preload Indicating |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Outside Diameter | 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN |
| Unloaded Length | 0.208 INCHES MINIMUM IN |
| Recess Angle | 120.0 DEGREES NOMINAL |
| 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 |
|---|---|
| PLI-5-5.9 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-331-7616 is a Washer,preload Indicating, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-331-7616: Outside Diameter: 0.583 INCHES MINIMUM AND 0.603 INCHES MAXIMUM IN; Unloaded Length: 0.208 INCHES MINIMUM IN; Recess Angle: 120.0 DEGREES NOMINAL. 3 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.