The Nut,plain,round, cataloged under National Stock Number 5310-01-050-3768, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Aljers Llc. Government technical data includes 17 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through both NSN and commercial part number lookups. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-050-3768 |
| Primary Part Number | 803654-0-05 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Aljers Llc |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-Z-325,CL 3,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT |
| Thread Series | UNS |
| Drive Point Width | 0.188 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.781 INCHES IN |
| Nut Diameter | 1.375 INCHES NOMINAL IN |
| Drive Point Depth | 0.094 INCHES NOMINAL IN |
| Undercut Thickness | 0.094 INCHES NOMINAL IN |
| Nut Thickness | 0.422 INCHES NOMINAL IN |
| Small End Diameter | 1.109 INCHES NOMINAL IN |
| Surface Treatment | ZINC OVERALL EXCEPT INSERT |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Class | 3B |
| Thread Quantity Per Inch | 32 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 1018 NUT |
| 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 |
|---|---|
| 803654-0-05 PRIMARY | Aljers Llc (USA) |
| Reference | Meaning |
|---|---|
| H2650-1220PC29 | 5/9 Secondary reference U.S. Government activity |
| H2650-1220PC29 | 5/2 Secondary reference U.S. Government activity |
| 803654-0-05 | 3/2 Design control — primary reference U.S. Government activity |
| 803654-0-05 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-050-3768 is a Nut,plain,round, manufactured by Aljers Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-050-3768 has 1 manufacturer part number on file: 803654-0-05 (Aljers Llc).
Key specifications for 803654-0-05: Surface Treatment Document and Classification: QQ-Z-325,CL 3,TY 2 FED SPEC SINGLE TREATMENT RESPONSE OVERALL EXCEPT INSERT; Thread Series: UNS; Drive Point Width: 0.188 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 17 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.