The Nut,self-Locking,hexagon, cataloged under National Stock Number 5310-01-052-2241, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Pdi Ground Support Systems, Inc.. Government technical data includes 12 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-052-2241 |
| Primary Part Number | 4601-33 |
| Item Name | Nut,self-Locking,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Width Across Flats | 0.865 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.562 INCHES IN |
| Locking Feature | PREVAILING TORQUE ALL METAL DESIGN |
| Nut Height | 0.473 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 12 |
| Material | STEEL 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 |
|---|---|
| 4601-33 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 4601-33 | 7/2 Vendor item drawing reference Seyer Industries, Inc. Dba Seyer Industries Inc |
| 35281989 | C/1 Advisory reference — outside the item-of-supply concept Clark Equipment Co Div Doosan Infracore Portable Power |
| 5590584 | 5/9 Secondary reference Am General Llc |
NSN 5310-01-052-2241 is a Nut,self-Locking,hexagon, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-052-2241 has 1 manufacturer part number on file: 4601-33 (Pdi Ground Support Systems, Inc.).
1 possible match (shared part number, not a government interchangeability claim): 2040-01-722-3928. Verify interchangeability with system specifications before substitution.
Key specifications for 4601-33: Width Across Flats: 0.865 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.562 INCHES IN. 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.