The Washer,flat, cataloged under National Stock Number 5310-01-433-6136, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 9 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-01-433-6136 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Surface Treatment Document and Classification | ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.590 INCHES MINIMUM AND 0.600 INCHES MAXIMUM IN |
| Thickness | 0.090 INCHES MINIMUM AND 0.110 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 |
|---|---|
| 93300619-1 | 7/2 Vendor item drawing reference Drs Training & Control Systems, Llc Dba Leonardo Drs Training & Control Systems, Llc Div Range, Control and Unmanned Systems |
| 93300619-1 | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-433-6136 is a Washer,flat, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-433-6136: Surface Treatment Document and Classification: ASTMB633 ASSN STD SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.840 INCHES MINIMUM AND 0.860 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Surface Treatment: ZINC OVERALL. 9 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.