The Washer,flat, cataloged under National Stock Number 5310-01-374-8371, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Artemis Electronics Llc. Government technical data includes 7 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-374-8371 |
| Primary Part Number | 202154-1 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Artemis Electronics Llc |
| Status | ACTIVE |
| Overall Diameter | 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | PLASTIC PHENOLIC OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.370 INCHES MINIMUM AND 0.380 INCHES MAXIMUM IN |
| Thickness | 0.063 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 |
|---|---|
| 202154-1 PRIMARY | Artemis Electronics Llc (USA) |
| Reference | Meaning |
|---|---|
| 5620-84-63 | 5/2 Secondary reference U.S. Government activity |
| 202154-1 | 5/9 Secondary reference Walker Power Systems, Inc. Dba Tiernay Turbines |
NSN 5310-01-374-8371 is a Washer,flat, manufactured by Artemis Electronics Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-374-8371 has 1 manufacturer part number on file: 202154-1 (Artemis Electronics Llc).
Key specifications for 202154-1: Overall Diameter: 0.740 INCHES MINIMUM AND 0.760 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: PLASTIC PHENOLIC OVERALL. 7 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.