The Washer,flat, cataloged under National Stock Number 5310-01-699-4203, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Birmingham Fastener & Supply Inc. 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 | 5310-01-699-4203 |
| Primary Part Number | 17125412 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Birmingham Fastener & Supply Inc |
| Status | ACTIVE |
| Overall Diameter | 70.00 MILLIMETERS NOMINAL MM |
| Cross-Sectional Shape Style | RECTANGULAR |
| Outside Diameter | 70.00 MILLIMETERS NOMINAL MM |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 26.00 MILLIMETERS NOMINAL MM |
| Thickness | 2.75 MILLIMETERS NOMINAL MM |
| 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 |
|---|---|
| 17125412 PRIMARY | Birmingham Fastener & Supply Inc (USA) |
NSN 5310-01-699-4203 is a Washer,flat, manufactured by Birmingham Fastener & Supply Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-699-4203 has 1 manufacturer part number on file: 17125412 (Birmingham Fastener & Supply Inc).
Key specifications for 17125412: Overall Diameter: 70.00 MILLIMETERS NOMINAL MM; Cross-Sectional Shape Style: RECTANGULAR; Outside Diameter: 70.00 MILLIMETERS NOMINAL MM; 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.