The Washer,flat, cataloged under National Stock Number 5310-01-690-9280, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastener Superstore Inc. Government technical data includes 5 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 | 5310-01-690-9280 |
| Primary Part Number | SAE10 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastener Superstore Inc |
| Status | ACTIVE |
| Outside Diameter | 0.495 MILLIMETERS MINIMUM AND 0.515 MILLIMETERS MAXIMUM MM |
| Surface Treatment | ZINC AND OXIDE OVERALL |
| Material | STEEL OVERALL |
| Hole Diameter | 0.214 MILLIMETERS MINIMUM AND 0.227 MILLIMETERS MAXIMUM MM |
| Thickness | 0.036 MILLIMETERS MINIMUM AND 0.065 MILLIMETERS MAXIMUM 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 |
|---|---|
| SAE10 PRIMARY | Fastener Superstore Inc (USA) |
NSN 5310-01-690-9280 is a Washer,flat, manufactured by Fastener Superstore Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-690-9280 has 1 manufacturer part number on file: SAE10 (Fastener Superstore Inc).
Key specifications for SAE10: Outside Diameter: 0.495 MILLIMETERS MINIMUM AND 0.515 MILLIMETERS MAXIMUM MM; Surface Treatment: ZINC AND OXIDE OVERALL; Part Name Assigned by Controlling Agency: LOW CARBON STAINLESS WASHER; Material: STEEL OVERALL. 5 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.