The Washer,flat, cataloged under National Stock Number 5310-01-110-7923, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Defense. Government technical data includes 10 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-110-7923 |
| Primary Part Number | 74A450867-2001 |
| Item Name | Washer,flat |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 0.620 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | 74A901001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Material Document and Classification | QQ-A-250/11,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/11,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Cross-Sectional Shape Style | RECTANGULAR |
| Surface Treatment | ANODIZE OVERALL |
| Peripheral Shape Style | SQUARE |
| Material | ALUMINUM ALLOY 6061 OVERALL |
| Center Hole Shape Style | ROUND |
| Hole Diameter | 0.265 INCHES NOMINAL IN |
| Thickness | 0.090 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 |
|---|---|
| 74A450867-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 74A450867-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 74A450867-2001 | Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing (USA) |
| 74A450867-2001 | Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc (USA) |
| Reference | Meaning |
|---|---|
| 74A450867-2001 | C/1 Advisory reference — outside the item-of-supply concept Goodrich Corporation Div Advanced Structures Landing Systems |
| 10122168 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A450867-2001 | 5/2 Secondary reference U.S. Government activity |
| 74A450867-2001 | 5/9 Secondary reference Circor Aerospace, Inc. Dba Circor Aerospace Machining Center |
| 74A450867-2001 | C/1 Advisory reference — outside the item-of-supply concept Circor Aerospace, Inc. Div Circor |
NSN 5310-01-110-7923 is a Washer,flat, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-110-7923 has 4 manufacturer part numbers on file: 74A450867-2001 (The Boeing Company Div Defense), 74A450867-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 74A450867-2001 (Mercer Products & Manufacturing Company Dba Mercer Products & Manufacturing Co Div Mercer Products & Manufacturing), 74A450867-2001 (Associated Aircraft Manufacturing & Sales, Inc. Dba Associated Aircraft Manufacturing & Sales Inc).
Key specifications for 74A450867-2001: Width Across Flats: 0.620 INCHES NOMINAL IN; Surface Treatment Document and Classification: 74A901001,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Material Document and Classification: QQ-A-250/11,TEMPER T6 FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-250/11,TEMPER O FED SPEC SINGLE MATERIAL RESPONSE OR QQ-A-225/8,TEMPER T651 FED SPEC SINGLE MATERIAL RESPONSE 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.