The Washer,flat, cataloged under National Stock Number 5310-01-699-3284, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su. Government technical data includes 8 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-699-3284 |
| Primary Part Number | DIN125-B3-A4 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su |
| Status | ACTIVE |
| Overall Diameter | 10.0 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 10.0 INCHES NOMINAL IN |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 5.3 INCHES NOMINAL IN |
| Thickness | 1.00 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 |
| Part Number | Manufacturer |
|---|---|
| DIN125-B3-A4 PRIMARY | General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su (USA) |
NSN 5310-01-699-3284 is a Washer,flat, manufactured by General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-699-3284 has 1 manufacturer part number on file: DIN125-B3-A4 (General Dynamics Land Systems, Inc Dba General Dynamics Land Systems Customer Service & Su).
Key specifications for DIN125-B3-A4: Overall Diameter: 10.0 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 10.0 INCHES NOMINAL IN; Peripheral Shape Style: ROUND. 8 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.