The Washer,flat, cataloged under National Stock Number 5310-00-533-4717, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dresser, Llc. Government technical data includes 7 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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.
| Parameter | Value |
|---|---|
| NSN | 5310-00-533-4717 |
| Primary Part Number | B2747 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dresser, Llc |
| Status | ACTIVE |
| Overall Diameter | 0.562 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | COPPER OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.391 INCHES NOMINAL IN |
| Thickness | 0.050 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 |
|---|---|
| B2747 PRIMARY | Dresser, Llc (USA) |
| 1AB2747 PRIMARY | Fwd Seagrave Holdings Lp (USA) |
| B2747 PRIMARY | Dresser Industries Inc Waukesha Engine Div (USA) |
| Reference | Meaning |
|---|---|
| 957223 | 5/9 Secondary reference Clark Equipment Co |
| 31167H | 5/9 Secondary reference Navistar International Corporation Dba Navistar |
| A334717 | 5/9 Secondary reference CAGE 00000 |
| 957223 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-00-533-4717 is a Washer,flat, manufactured by Dresser, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-533-4717 has 3 manufacturer part numbers on file: B2747 (Dresser, Llc), 1AB2747 (Fwd Seagrave Holdings Lp), B2747 (Dresser Industries Inc Waukesha Engine Div).
Key specifications for B2747: Overall Diameter: 0.562 INCHES NOMINAL IN; Cross-Sectional Shape Style: RECTANGULAR; Peripheral Shape Style: ROUND; Material: COPPER 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.