The Nut,plain,round, cataloged under National Stock Number 5310-00-774-6801, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unison Industries Llc. Government technical data includes 18 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-00-774-6801 |
| Primary Part Number | 10-187737 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unison Industries Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | 9-2134 FSCM 77820 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Hole Configuration Style | CONFIGURATION J |
| Material Document and Classification | AMS 4118 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Diameter | 1.312 INCHES NOMINAL IN |
| Drive Point Depth | 0.156 INCHES NOMINAL IN |
| Nut Thickness | 0.188 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.128 INCHES NOMINAL IN |
| Surface Treatment | NICKEL OVERALL |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 90.0 DEGREES MAXIMUM BOTH ENDS |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 20 |
| Material | ALUMINUM ALLOY OVERALL |
| Hole Type and Quantity | 2 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 |
|---|---|
| 10-187737 PRIMARY | Unison Industries Llc (USA) |
| Reference | Meaning |
|---|---|
| 10-187737 | 5/9 Secondary reference Amphenol Corp Div Amphenol Aerospace Operations |
NSN 5310-00-774-6801 is a Nut,plain,round, manufactured by Unison Industries Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-774-6801 has 1 manufacturer part number on file: 10-187737 (Unison Industries Llc).
Key specifications for 10-187737: Surface Treatment Document and Classification: 9-2134 FSCM 77820 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; Hole Configuration Style: CONFIGURATION J; Material Document and Classification: AMS 4118 ASSN STD SINGLE MATERIAL RESPONSE OR AMS 4120 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 18 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.