The Washer,flat, cataloged under National Stock Number 5310-00-050-9374, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Jewell Instruments 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. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-050-9374 |
| Primary Part Number | 825444 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Jewell Instruments Llc |
| Status | ACTIVE |
| Overall Diameter | 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES MINIMUM AND 0.255 INCHES MAXIMUM IN |
| Thickness | 0.029 INCHES MINIMUM AND 0.033 INCHES MAXIMUM 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 |
|---|---|
| 825444 PRIMARY | Jewell Instruments Llc (USA) |
NSN 5310-00-050-9374 is a Washer,flat, manufactured by Jewell Instruments Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-050-9374 has 1 manufacturer part number on file: 825444 (Jewell Instruments Llc).
1 possible match (shared part number, not a government interchangeability claim): 6650-01-599-4331. Verify interchangeability with system specifications before substitution.
Key specifications for 825444: Overall Diameter: 0.622 INCHES MINIMUM AND 0.624 INCHES MAXIMUM IN; Cross-Sectional Shape Style: RECTANGULAR; Special Features: BRIGHT DIP; Peripheral Shape Style: ROUND. 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.