The Washer,flat, cataloged under National Stock Number 5310-01-044-2052, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Cummins Filtration Inc Dba Fleetguard Div Cummins Inc. Government technical data includes 6 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 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-044-2052 |
| Primary Part Number | 8265S |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc |
| Status | ACTIVE |
| Overall Diameter | 1.000 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.650 INCHES NOMINAL IN |
| Thickness | 0.060 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 |
|---|---|
| 8265S PRIMARY | Cummins Filtration Inc Dba Fleetguard Div Cummins Inc (USA) |
NSN 5310-01-044-2052 is a Washer,flat, manufactured by Cummins Filtration Inc Dba Fleetguard Div Cummins Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-044-2052 has 1 manufacturer part number on file: 8265S (Cummins Filtration Inc Dba Fleetguard Div Cummins Inc).
2 possible matches (shared part number, not a government interchangeability claim): 8040-01-590-1896, 8040-01-616-0444. Verify interchangeability with system specifications before substitution.
Key specifications for 8265S: Overall Diameter: 1.000 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Center Hole Shape Style: ROUND. 6 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.