The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-383-1908, 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12 specifications, cited from the U.S. Government catalog. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-383-1908 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | ASTM B164 400 OR 405 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.750 INCHES IN |
| Nondefinitive Spec/std Data | PE1 TYPE |
| Nut Height | 0.617 INCHES MINIMUM AND 0.665 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 10 |
| Material | NICKEL ALLOY 400 OR NICKEL ALLOY R-405 OVERALL |
| Bearing Surface Type | WASHER FACED OR CHAMFERED |
| 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 |
|---|---|
| 803-1385541-08X-11 | 5/9 Secondary reference U.S. Government activity |
| N-NB13551-HH325 ITEM 4 8IN | C/1 Advisory reference — outside the item-of-supply concept Hunt Valve Company, Inc. |
| N-NB13551-HH325 ITEM 4 8IN | 5/9 Secondary reference Pima Valve, Llc |
| 1385541-08X-11 | 3/2 Design control — primary reference U.S. Government activity |
| B13551AHH325-8-4 | 5/1 Secondary reference Pima Valve, Llc |
NSN 5310-01-383-1908 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-383-1908: Width Across Flats: 1.088 INCHES MINIMUM AND 1.125 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: ASTM B164 400 OR 405 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 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.