The Washer,flat, cataloged under National Stock Number 5310-01-616-9023, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastenal Company Dba Fastenal Co. Government technical data includes 9 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 | 5310-01-616-9023 |
| Primary Part Number | 1133817 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastenal Company Dba Fastenal Co |
| Status | ACTIVE |
| Overall Diameter | 1.062 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Nondefinitive Spec/std Data | THRU-HARD STYLE AND FLAT TYPE AND 0.397 POUNDS WEIGHT LBS |
| Surface Treatment | CHROMATE ZINC OVERALL |
| Peripheral Shape Style | ROUND |
| Material | STEEL OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.531 INCHES NOMINAL IN |
| Thickness | 0.095 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 |
|---|---|
| 1133817 PRIMARY | Fastenal Company Dba Fastenal Co (USA) |
NSN 5310-01-616-9023 is a Washer,flat, manufactured by Fastenal Company Dba Fastenal Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-616-9023 has 1 manufacturer part number on file: 1133817 (Fastenal Company Dba Fastenal Co).
Key specifications for 1133817: Overall Diameter: 1.062 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Nondefinitive Spec/std Data: THRU-HARD STYLE AND FLAT TYPE AND 0.397 POUNDS WEIGHT LBS; Special Features: NOMINAL SIZE 0.500 INCHES IN. 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.