The Nut,plain,round, cataloged under National Stock Number 5310-01-161-5510, 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 14 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-161-5510 |
| Primary Part Number | 74A551034-2001 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL JOINT (UNJ) |
| Material Document and Classification | AMS 6411, 4330V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V |
| Drive Point Width | 0.224 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.250 INCHES IN |
| Nut Diameter | 2.960 INCHES NOMINAL IN |
| Drive Point Depth | 0.349 INCHES NOMINAL IN |
| Nut Thickness | 1.066 INCHES NOMINAL IN |
| Countersink Angle | 90.0 DEGREES NOMINAL BOTH ENDS |
| Drive Point Quantity | 12 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 16 |
| Material | STEEL UNS K23080 OVERALL |
| 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 |
|---|---|
| 74A551034-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| 10109874 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| 74A551034-2001 | C/1 Advisory reference — outside the item-of-supply concept U.S. Government activity |
NSN 5310-01-161-5510 is a Nut,plain,round, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-161-5510 has 1 manufacturer part number on file: 74A551034-2001 (The Boeing Company Div Defense).
Key specifications for 74A551034-2001: Thread Series: UNIFIED NATIONAL JOINT (UNJ); Material Document and Classification: AMS 6411, 4330V ASSN STD SINGLE MATERIAL RESPONSE OVERALL V; Drive Point Width: 0.224 INCHES MINIMUM AND 0.236 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND. 14 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.