The Nut, cataloged under National Stock Number 5310-01-012-2653, 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.. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 4 items share a part number with this NSN in the catalog (possible match — not a government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.
| Item Name | Nut |
| FSC / FSG | 5310 — Nuts and Washers (FSG 53) |
| Manufacturers | Oshkosh Aerotech Uk Limited (CAGE U3731); Pdi Ground Support Systems, Inc. (CAGE 0W357) |
| Parameter | Value |
|---|---|
| NSN | 5310-01-012-2653 |
| Primary Part Number | 4603-1 |
| Item Name | Nut |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Pdi Ground Support Systems, Inc. |
| Status | ACTIVE |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Part Number | Manufacturer |
|---|---|
| 88388 | Oshkosh Aerotech Uk Limited (GBR) |
| 4603-1 PRIMARY | Pdi Ground Support Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 49596 | C/1 Advisory reference — outside the item-of-supply concept Sullair Corp |
| 4603-1 | C/1 Advisory reference — outside the item-of-supply concept Zf Industrieantriebe Witten Gmbh |
NSN 5310-01-012-2653 is a Nut, manufactured by Pdi Ground Support Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-012-2653 has 2 manufacturer part numbers on file: 88388 (Oshkosh Aerotech Uk Limited), 4603-1 (Pdi Ground Support Systems, Inc.).
4 possible matches (shared part number, not a government interchangeability claim): 5342-01-183-4247, 4320-01-237-0198, 3110-01-285-7765. Verify interchangeability with system specifications before substitution.
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.