The Nut,plain,slotted,hexagon, cataloged under National Stock Number 5310-00-520-1602, 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 10 specifications, cited from the U.S. Government catalog. The record lists 3 manufacturer part numbers 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-520-1602 |
| Primary Part Number | 4600-2 |
| Item Name | Nut,plain,slotted,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.438 INCHES NOMINAL IN |
| Thread Series | UNS |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.000 INCHES IN |
| Nut Height | 0.484 INCHES MINIMUM AND 0.516 INCHES MAXIMUM IN |
| Nut Style | SLOTTED, HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 14 |
| 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 |
|---|---|
| 4600-2 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
| B809-1305 | Essex Electro Engineers Inc (USA) |
| B550-A0015 | Oshkosh Aerotech Uk Limited (GBR) |
| Reference | Meaning |
|---|---|
| 63A0175-2 | 5/9 Secondary reference Pdi Ground Support Systems, Inc. |
| 35360098 | C/1 Advisory reference — outside the item-of-supply concept Clark Equipment Co Div Doosan Infracore Portable Power |
| 4600-2 | 5/9 Secondary reference Seyer Industries, Inc. Dba Seyer Industries Inc |
NSN 5310-00-520-1602 is a Nut,plain,slotted,hexagon, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-520-1602 has 3 manufacturer part numbers on file: 4600-2 (Pdi Ground Support Systems, Inc.), B809-1305 (Essex Electro Engineers Inc), B550-A0015 (Oshkosh Aerotech Uk Limited).
4 possible matches (shared part number, not a government interchangeability claim): 5210-01-106-3719, 5965-01-348-8761, 5136-01-625-3583. Verify interchangeability with system specifications before substitution.
Key specifications for 4600-2: Width Across Flats: 1.438 INCHES NOMINAL IN; Thread Series: UNS; Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.000 INCHES IN. 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.