The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-013-9636, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Dana Off Highway Products, Llc. Government technical data includes 10 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-013-9636 |
| Primary Part Number | 21D-24 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Dana Off Highway Products, Llc |
| Status | ACTIVE |
| Width Across Flats | 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Material Document and Classification | SAE1008 ASSN STD SINGLE MATERIAL RESPONSE OR SAE1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.500 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 1.474 INCHES MINIMUM AND 1.526 INCHES MAXIMUM IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 12 |
| 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 |
| Part Number | Manufacturer |
|---|---|
| 21D-24 PRIMARY | Dana Off Highway Products, Llc (USA) |
| Reference | Meaning |
|---|---|
| 21D-24 | 5/9 Secondary reference Clark Equipment Co |
NSN 5310-01-013-9636 is a Nut,self-Locking,hexagon, manufactured by Dana Off Highway Products, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-013-9636 has 1 manufacturer part number on file: 21D-24 (Dana Off Highway Products, Llc).
Key specifications for 21D-24: Width Across Flats: 2.175 INCHES MINIMUM AND 2.250 INCHES MAXIMUM IN; Thread Series: UNF; Material Document and Classification: SAE1008 ASSN STD SINGLE MATERIAL RESPONSE OR SAE1112 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Thread Direction: RIGHT-HAND. 10 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.