The Washer,flat, cataloged under National Stock Number 5310-01-321-8065, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Fastener Components Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-321-8065 |
| Primary Part Number | 146B924001-15 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Fastener Components Inc |
| Status | ACTIVE |
| Overall Diameter | 0.500 INCHES NOMINAL IN |
| Material Document and Classification | QQ-N-281,CL A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-286,CL A FED SPEC 2ND MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Peripheral Shape Style | ROUND |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY K-500 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.265 INCHES NOMINAL IN |
| Thickness | 0.032 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 |
|---|---|
| 924001-15 | L3 Technologies, Inc. Div L3 Keo (USA) |
| 4M11B6M | The Boeing Company Div Defense (USA) |
| 146B924001-15 PRIMARY | Fastener Components Inc (USA) |
| Reference | Meaning |
|---|---|
| 146B924001-15 | 5/9 Secondary reference L3 Technologies, Inc. Div L3 Keo |
NSN 5310-01-321-8065 is a Washer,flat, manufactured by Fastener Components Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-321-8065 has 3 manufacturer part numbers on file: 924001-15 (L3 Technologies, Inc. Div L3 Keo), 4M11B6M (The Boeing Company Div Defense), 146B924001-15 (Fastener Components Inc).
Key specifications for 146B924001-15: Overall Diameter: 0.500 INCHES NOMINAL IN; Material Document and Classification: QQ-N-281,CL A FED SPEC 1ST MATERIAL RESPONSE OR QQ-N-286,CL A FED SPEC 2ND MATERIAL RESPONSE OVERALL; Cross-Sectional Shape Style: RECTANGULAR; Special Features: MATERIAL IS DIED RED TO INDICATE MATERIAL MONEL; ITEM IS A HIGH COLLAR WASHER. 8 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.