The Nut,plain,round, cataloged under National Stock Number 5310-00-008-5704, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Northrop Grumman Systems Corporation. Government technical data includes 16 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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 | 5310-00-008-5704 |
| Primary Part Number | A51M20586-11 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Northrop Grumman Systems Corporation |
| Status | ACTIVE |
| Width Across Flats | 1.400 INCHES NOMINAL IN |
| Surface Treatment Document and Classification | MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UN |
| Hole Configuration Style | CONFIGURATION F |
| Material Document and Classification | QQ-A-225/6,TEMPER T851 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.250 INCHES IN |
| Nut Diameter | 1.500 INCHES NOMINAL IN |
| Nut Thickness | 0.438 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.051 INCHES NOMINAL IN |
| Surface Treatment | ANODIZE OVERALL |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Hole Type and Quantity | 24 DRILLED |
| 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 |
|---|---|
| A51M20586-11 PRIMARY | Northrop Grumman Systems Corporation (USA) |
| Reference | Meaning |
|---|---|
| A51M20586-11 | 3/9 Design control — primary reference Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp Div Northrop Grumman Aeronautics Systems |
| A51M20586-11 | 5/9 Secondary reference Northrop Grumman Systems Corporation |
NSN 5310-00-008-5704 is a Nut,plain,round, manufactured by Northrop Grumman Systems Corporation, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-008-5704 has 1 manufacturer part number on file: A51M20586-11 (Northrop Grumman Systems Corporation).
Key specifications for A51M20586-11: Width Across Flats: 1.400 INCHES NOMINAL IN; Surface Treatment Document and Classification: MIL-A-8625,TY 2,CL 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UN; Hole Configuration Style: CONFIGURATION F. 16 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.