The Washer,flat, cataloged under National Stock Number 5310-01-254-7277, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Item Name | Washer,flat |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (CAGE 26055) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-254-7277 |
| Primary Part Number | 758-001-028 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division |
| Status | ACTIVE |
| 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 |
|---|---|
| 758-001-028 PRIMARY | Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division (USA) |
| Reference | Meaning |
|---|---|
| 758-001-028 | 5/9 Secondary reference Micro Plastics Inc |
| 758-001-028 | 5/9 Secondary reference Saint-Gobain Performance Plastics Corporation |
| 758-001-028 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Service and Support Operation Div Services and Support Operations |
| 758-001-028 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-254-7277 is a Washer,flat, manufactured by Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-254-7277 has 1 manufacturer part number on file: 758-001-028 (Parker-Hannifin Corporation Dba Pneutronics Div Fluid Systems Division).
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.