The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-264-0377, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 16 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-264-0377 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 0.500 INCHES NOMINAL IN |
| Bearing Surface Finish | 32.0 MICROINCHES |
| Thread Series | UNF |
| Material Document and Classification | QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-639 FED SPEC 2ND MATERIAL RESPONSE OR QQ-B-639 FED SPEC 3RD MATERIAL RESPONSE OR QQ-B-639 FED SPEC 4TH MATERIAL RESPONSE OR QQ-B-639 FED SPEC 5TH MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.078 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 24 |
| Material | COPPER ALLOY OR COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 OVERALL |
| Bearing Surface Type | FLAT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| 3N217PC320 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N134PC20 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N113PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 3132491PC320 | 3/2 Design control — primary reference U.S. Government activity |
| AB5016-2 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N216PC320 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N197PC320 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N106ALT1PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N75PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N35PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N133ALT1PC20 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N34PC1523 | 3/9 Design control — primary reference Alfa Laval Inc. |
| 3N97PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N93PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
| 4DZ7 | 5/9 Secondary reference Alfa Laval Inc. |
| 3N84PC1523 | 5/9 Secondary reference Alfa Laval Inc. |
NSN 5310-00-264-0377 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-00-264-0377: Width Across Flats: 0.500 INCHES NOMINAL IN; Bearing Surface Finish: 32.0 MICROINCHES; Thread Series: UNF; Material Document and Classification: QQ-B-637 FED SPEC 1ST MATERIAL RESPONSE OR QQ-B-639 FED SPEC 2ND MATERIAL RESPONSE OR QQ-B-639 FED SPEC 3RD MATERIAL RESPONSE OR QQ-B-639 FED SPEC 4TH MATERIAL RESPONSE OR QQ-B-639 FED SPEC 5TH MATERIAL RESPONSE OVERALL. 12 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.