The Washer,flat, cataloged under National Stock Number 5310-01-466-8604, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 4 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-466-8604 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Overall Diameter | 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Material | STEEL COMP 302 OR STEEL COMP 304 OVERALL |
| Hole Diameter | 0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN |
| Thickness | 0.047 INCHES MINIMUM AND 0.054 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 |
|---|---|
| 20100430 | 3/9 Design control — primary reference Phoenix Specialty Mfg Co Inc Modern Washer Co Div |
| 20-1004-30 | 7/2 Vendor item drawing reference Essex Industries, Inc. |
NSN 5310-01-466-8604 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-466-8604: Overall Diameter: 0.496 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN; Material: STEEL COMP 302 OR STEEL COMP 304 OVERALL; Hole Diameter: 0.144 INCHES MINIMUM AND 0.154 INCHES MAXIMUM IN; Thickness: 0.047 INCHES MINIMUM AND 0.054 INCHES MAXIMUM IN. 4 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.