The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-037-0174, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lockheed Martin Corp Electronics and Missiles Div. 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 | 5310-01-037-0174 |
| Primary Part Number | 127072 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corp Electronics and Missiles Div |
| Status | ACTIVE |
| Width Across Flats | 0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | 171,FIN. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNF |
| Material Document and Classification | FED STD66,AISI303SE/SAE30303SE FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.272 INCHES MINIMUM AND 0.282 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Countersink Angle | 88.0 DEGREES MINIMUM AND 92.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 24 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| 127072 PRIMARY | Lockheed Martin Corp Electronics and Missiles Div (USA) |
NSN 5310-01-037-0174 is a Nut,plain,hexagon, manufactured by Lockheed Martin Corp Electronics and Missiles Div, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-037-0174 has 1 manufacturer part number on file: 127072 (Lockheed Martin Corp Electronics and Missiles Div).
Key specifications for 127072: Width Across Flats: 0.499 INCHES MINIMUM AND 0.506 INCHES MAXIMUM IN; Surface Treatment Document and Classification: 171,FIN. 5.4.1 MIL STD SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNF; Material Document and Classification: FED STD66,AISI303SE/SAE30303SE FED STD SINGLE MATERIAL RESPONSE OVERALL. 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.