The Washer,flat, cataloged under National Stock Number 5310-01-645-3533, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Daco Precision Inc Dba Daco Precision 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 | 5310-01-645-3533 |
| Primary Part Number | WF35.938X1.75X.134 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Daco Precision Inc Dba Daco Precision Inc |
| Status | ACTIVE |
| Overall Diameter | 1.750 INCHES NOMINAL IN |
| Cross-Sectional Shape Style | BLANK RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | STEEL COMP 316 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.938 INCHES NOMINAL IN |
| Thickness | 0.108 INCHES MINIMUM AND 0.160 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 |
|---|---|
| 91950A051 | Mcmaster-Carr Supply Co (USA) |
| WF35.938X1.75X.134 PRIMARY | Daco Precision Inc Dba Daco Precision Inc (USA) |
NSN 5310-01-645-3533 is a Washer,flat, manufactured by Daco Precision Inc Dba Daco Precision Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-645-3533 has 2 manufacturer part numbers on file: 91950A051 (Mcmaster-Carr Supply Co), WF35.938X1.75X.134 (Daco Precision Inc Dba Daco Precision Inc).
Key specifications for WF35.938X1.75X.134: Overall Diameter: 1.750 INCHES NOMINAL IN; Cross-Sectional Shape Style: BLANK RECTANGULAR; Special Features: OEM DACO PRECISION INC, 150 W. PROGRESS DR., WEST BEND, WI, PHONE: 262-626-6591 W; 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.