The Washer,flat, cataloged under National Stock Number 5310-01-115-0763, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Mcmaster-Carr Supply Co. Government technical data includes 10 specifications, 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-115-0763 |
| Primary Part Number | 92917A135 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Overall Diameter | 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | NICKEL OVERALL |
| Peripheral Shape Style | ROUND |
| Material | COPPER ALLOY 230 OR COPPER ALLOY 240 OR COPPER ALLOY 260 OR COPPER ALLOY 268 OR COPPER ALLOY 353 OR COPPER ALLOY 11 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.195 INCHES MINIMUM AND 0.205 INCHES MAXIMUM IN |
| Thickness | 0.040 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 |
|---|---|
| 92917A135 | Mcmaster-Carr Supply Co (USA) |
| Reference | Meaning |
|---|---|
| 5714-50-40N | 3/2 Design control — primary reference U.S. Government activity |
NSN 5310-01-115-0763 is a Washer,flat, manufactured by Mcmaster-Carr Supply Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-115-0763 has 1 manufacturer part number on file: 92917A135 (Mcmaster-Carr Supply Co).
Key specifications for 92917A135: Surface Treatment Document and Classification: QQ-N-290 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Overall Diameter: 0.427 INCHES MINIMUM AND 0.447 INCHES MAXIMUM IN; Material Document and Classification: QQ-B-613 FED SPEC ALL MATERIAL RESPONSES OVERALL; Cross-Sectional Shape Style: RECTANGULAR. 10 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.