The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-271-4644, 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. Government technical data includes 13 specifications, cited from the U.S. Government catalog. The record lists 5 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-271-4644 |
| Primary Part Number | 0424-012 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lockheed Martin Corporation Div Rms |
| Status | ACTIVE |
| Width Across Flats | 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-S-763,CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE OR CLASS 303 FED SPEC 1ST MATERIAL RESPONSE OR CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR CLASS 305 FED SPEC 3RD MATERIAL RESPONSE OR CLASS316 FED SPEC 4TH MATERIAL RESPONSE OR CLASS 347 FED SPEC 5TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.138 INCHES IN |
| Nut Height | 0.102 INCHES MINIMUM AND 0.114 INCHES MAXIMUM IN |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL CORROSION RESISTING OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 0424-012 PRIMARY | Lockheed Martin Corporation Div Rms (USA) |
| 261-015-0601 | Kontron Europe Gmbh (DEU) |
| 8599166-005 | General Motors Corp (USA) |
| 946074-2406 PRIMARY | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
| 8599166-005 | L3harris Mas Inc Div L3harris Mas Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 261-015-0601 | 3/2 Design control — primary reference U.S. Government activity |
| 0424-012 | 5/9 Secondary reference Lockheed Martin Corporation Div Rms - Mitchel Field |
| MILS933TYPEA | 4/1 Identification reference U.S. Government activity |
| 34910-163 | 5/9 Secondary reference Gaf Corp Brooklyn Plant |
| 8599166-005 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-271-4644 is a Nut,plain,hexagon, manufactured by Lockheed Martin Corporation Div Rms, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-271-4644 has 5 manufacturer part numbers on file: 0424-012 (Lockheed Martin Corporation Div Rms), 261-015-0601 (Kontron Europe Gmbh), 8599166-005 (General Motors Corp), 946074-2406 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp), 8599166-005 (L3harris Mas Inc Div L3harris Mas Inc.).
Key specifications for 0424-012: Width Across Flats: 0.302 INCHES MINIMUM AND 0.312 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-S-763,CLASS 302 FED SPEC SINGLE MATERIAL RESPONSE OR CLASS 303 FED SPEC 1ST MATERIAL RESPONSE OR CLASS 304 FED SPEC 2ND MATERIAL RESPONSE OR CLASS 305 FED SPEC 3RD MATERIAL RESPONSE OR CLASS316 FED SPEC 4TH MATERIAL RESPONSE OR CLASS 347 FED SPEC 5TH MATERIAL RESPONSE OVERALL. 13 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.