The Nut,plain,round, cataloged under National Stock Number 5310-01-188-4785, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-188-4785 |
| Primary Part Number | 415199-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products |
| Status | ACTIVE |
| Surface Treatment Document and Classification | MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OR 981605-3,FSCM 00752 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.078 INCHES NOMINAL FIRST END IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Diameter | 0.375 INCHES NOMINAL IN |
| Counterbore Diameter | 0.187 INCHES NOMINAL FIRST END IN |
| Nut Thickness | 0.125 INCHES NOMINAL IN |
| Surface Treatment | CHROMATE OVERALL |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | ALUMINUM ALLOY 6061 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 |
|---|---|
| 415199-1 PRIMARY | L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products (USA) |
NSN 5310-01-188-4785 is a Nut,plain,round, manufactured by L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-188-4785 has 1 manufacturer part number on file: 415199-1 (L3harris Technologies, Inc. Dba Harris Corp Div Antenna Products).
Key specifications for 415199-1: Surface Treatment Document and Classification: MIL-C-5541,CL 3 MIL SPEC SINGLE TREATMENT RESPONSE OR 981605-3,FSCM 00752 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-A-200/8 FED SPEC SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.078 INCHES NOMINAL FIRST END IN. 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.