The Nut,plain,round, cataloged under National Stock Number 5310-01-157-5664, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corporation Div Rms - Manassas. 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-157-5664 |
| Primary Part Number | 2836050-1 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms - Manassas |
| Status | ACTIVE |
| Surface Treatment Document and Classification | QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM SECOND END IN |
| Drive Point Width | 0.041 INCHES MINIMUM AND 0.051 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.307 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.170 INCHES MINIMUM AND 0.190 INCHES MAXIMUM SECOND END IN |
| Drive Point Depth | 0.050 INCHES MINIMUM AND 0.060 INCHES MAXIMUM IN |
| Nut Thickness | 0.157 INCHES MINIMUM AND 0.167 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 100.0 DEGREES NOMINAL FIRST END |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303 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 |
|---|---|
| 2836050-1 PRIMARY | Lockheed Martin Corporation Div Rms - Manassas (USA) |
NSN 5310-01-157-5664 is a Nut,plain,round, manufactured by Lockheed Martin Corporation Div Rms - Manassas, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-157-5664 has 1 manufacturer part number on file: 2836050-1 (Lockheed Martin Corporation Div Rms - Manassas).
Key specifications for 2836050-1: Surface Treatment Document and Classification: QQ-P-35,TY 4 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM A582 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.057 INCHES MINIMUM AND 0.067 INCHES MAXIMUM SECOND END IN. 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.