The Washer,flat, cataloged under National Stock Number 5310-00-188-9682, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Westinghouse Electric Corp. Government technical data includes 3 specifications, cited from the U.S. Government catalog. The record lists 15 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 30 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-188-9682 |
| Primary Part Number | 17J674-623 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Westinghouse Electric Corp |
| Status | ACTIVE |
| Overall Diameter | 1.875 INCHES NOMINAL IN |
| Hole Diameter | 1.406 INCHES NOMINAL IN |
| Thickness | 0.062 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 |
|---|---|
| 17J674-623 | Westinghouse Electric Corp (USA) |
| 25J753PC253 | Siemens Energy, Inc. (USA) |
| 29J511-722 | Westinghouse Electric Corp (USA) |
| 93J427-432 | Westinghouse Electric Corp (USA) |
| A4710PC31 | General Motors Llc Dba General Motors Llc (USA) |
| 8500244 | General Motors Corp (USA) |
| 215566-23 | Curtiss-Wright Electro-Mechanical Corporation Div Epd (USA) |
| 17J674-623 | Schindler Elevator Corporation (USA) |
| 29J511-722 | Schindler Elevator Corporation (USA) |
| 25J110-253 | Westinghouse Electric Corp (USA) |
| A4908PC31 | General Motors Llc Dba General Motors Llc (USA) |
| A8500244 | General Motors Llc Dba General Motors Llc (USA) |
| A4711PC31 | General Motors Llc Dba General Motors Llc (USA) |
| A4904PC31 | General Motors Llc Dba General Motors Llc (USA) |
| A4903PC31 | General Motors Llc Dba General Motors Llc (USA) |
| Reference | Meaning |
|---|---|
| 8500244 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| A4908PC31 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| 215566-23 | 5/9 Secondary reference Ingersoll Rand Co |
| A4903PC31 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| 93J427-432 | 3/2 Design control — primary reference U.S. Government activity |
| A4904PC31 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| CL103S4501-309084PC31 | 5/2 Secondary reference U.S. Government activity |
| DE339S4503-241732ALT4P331 | 5/2 Secondary reference U.S. Government activity |
| A4710PC31 | 5/9 Secondary reference General Motors Corp |
| A4710PC31 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| CVE105S4501-250839PC31 | 5/2 Secondary reference U.S. Government activity |
| A8500244 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| DD692S4501-244988PC31 | 5/2 Secondary reference U.S. Government activity |
| A4908PC31 | 5/9 Secondary reference General Motors Corp |
| CVB41S4504-13PC31 | 5/2 Secondary reference U.S. Government activity |
| DE339S4503-241731ALT4PC31 | 5/2 Secondary reference U.S. Government activity |
| A4711PC31 | 5/9 Secondary reference General Motors Corp Harrison Radiator Div |
| 215566-23 | 5/9 Secondary reference U.S. Government activity |
| A4711PC31 | 5/9 Secondary reference General Motors Corp |
| A4904PC31 | 5/9 Secondary reference General Motors Corp |
NSN 5310-00-188-9682 is a Washer,flat, manufactured by Westinghouse Electric Corp, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-188-9682 has 15 manufacturer part numbers on file: 17J674-623 (Westinghouse Electric Corp), 25J753PC253 (Siemens Energy, Inc.), 29J511-722 (Westinghouse Electric Corp), 93J427-432 (Westinghouse Electric Corp), A4710PC31 (General Motors Llc Dba General Motors Llc) and 10 more.
Key specifications for 17J674-623: Overall Diameter: 1.875 INCHES NOMINAL IN; Hole Diameter: 1.406 INCHES NOMINAL IN; Thickness: 0.062 INCHES NOMINAL IN. 3 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.