The Washer,shouldered, cataloged under National Stock Number 5310-01-641-6018, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Webb Research Corp.. Government technical data includes 1 specification, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-641-6018 |
| Primary Part Number | G-1190 |
| Item Name | Washer,shouldered |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Webb Research Corp. |
| Status | ACTIVE |
| Style Designator | SHOULDERED |
| 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 |
|---|---|
| G-1190 PRIMARY | Webb Research Corp. (USA) |
| Reference | Meaning |
|---|---|
| 40827-IDWG-313500-R000 | D/9 Drawing number reference only Teledyne Brown Engineering, Inc. |
NSN 5310-01-641-6018 is a Washer,shouldered, manufactured by Webb Research Corp., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-641-6018 has 1 manufacturer part number on file: G-1190 (Webb Research Corp.).
1 possible match (shared part number, not a government interchangeability claim): 5340-01-641-6309. Verify interchangeability with system specifications before substitution.
Key specifications for G-1190: Style Designator: SHOULDERED; Part Name Assigned by Controlling Agency: STRAPWASHER. 1 specification is 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.