The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-244-2253, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-244-2253 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Status | ACTIVE |
| Width Across Flats | 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN |
| Thread Series | UN |
| Criticality Code Justification | ZZZY |
| Material Document and Classification | QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.015 INCHES NOMINAL BOTH ENDS IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.125 INCHES IN |
| Counterbore Diameter | 1.110 INCHES NOMINAL BOTH ENDS IN |
| Nut Height | 0.939 INCHES MINIMUM AND 0.999 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 8 |
| Material | NICKEL ALLOY OVERALL |
| Bearing Surface Type | CHAMFERED |
| Reference Number Differentiating Characteristics | MATERIAL WILL BE IN ACCORDANCE WITH SHIPS PARTS CONTROL CENTER ACTIVITY HX QUALITY CONTROL,MANUFACTURING AND TESTING SPECIFICATIONS |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | C |
| Reference | Meaning |
|---|---|
| 1.125008UNC2BT1G400NSA/BAA | 5/1 Secondary reference U.S. Government activity |
| MIL-B-857, TYIII,1 1/8-8UN2B | 3/1 Design control — primary reference Naval Inventory Control Point Mechanicsburg |
| 200-6226444/PC.22 | 5/1 Secondary reference U.S. Government activity |
NSN 5310-01-244-2253 is a Nut,plain,hexagon, classified under FSC 5310, Nuts and Washers. Status: active.
Key specifications for 5310-01-244-2253: Width Across Flats: 1.631 INCHES MINIMUM AND 1.688 INCHES MAXIMUM IN; Thread Series: UN; Criticality Code Justification: ZZZY; Material Document and Classification: QQ-N-281,CLASS A FED SPEC SINGLE MATERIAL RESPONSE OVERALL. 15 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.