The Washer,flat, cataloged under National Stock Number 5310-01-548-2111, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Advantec Manufacturing Usa, Inc.. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-548-2111 |
| Primary Part Number | 033-1/4 WASHER |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Advantec Manufacturing Usa, Inc. |
| Status | ACTIVE |
| Overall Diameter | 0.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 304 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.250 INCHES NOMINAL IN |
| Thickness | 0.070 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 |
|---|---|
| 033-1/4 WASHER PRIMARY | Advantec Manufacturing Usa, Inc. (USA) |
| 990-2506000 FIND 26 | Advantec Manufacturing Usa, Inc. (USA) |
NSN 5310-01-548-2111 is a Washer,flat, manufactured by Advantec Manufacturing Usa, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-548-2111 has 2 manufacturer part numbers on file: 033-1/4 WASHER (Advantec Manufacturing Usa, Inc.), 990-2506000 FIND 26 (Advantec Manufacturing Usa, Inc.).
Key specifications for 033-1/4 WASHER: Overall Diameter: 0.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; End Item Identification: MISC HULL SYSTEM. 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.