The Bolt,u, cataloged under National Stock Number 5306-01-533-4081, is classified within Federal Supply Class 5306 (Bolts) of the Hardware and Abrasives group. The manufacturer of record is Oshkosh Defense Llc. 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5306-01-533-4081 |
| Primary Part Number | 9KK660 |
| Item Name | Bolt,u |
| FSC / FSG | 5306 / 53 — Bolts |
| Manufacturer | Oshkosh Defense Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| 9KK660 PRIMARY | Oshkosh Defense Llc (USA) |
| 0259960674-00 | Plasan North America, Inc. (USA) |
| Reference | Meaning |
|---|---|
| 9KK660 | 3/9 Design control — primary reference Oshkosh Corp |
| 0259960674-00 | 5/9 Secondary reference Bae Systems Survivability Systems Llc |
NSN 5306-01-533-4081 is a Bolt,u, manufactured by Oshkosh Defense Llc, classified under FSC 5306, Bolts. Status: active.
NSN 5306-01-533-4081 has 2 manufacturer part numbers on file: 9KK660 (Oshkosh Defense Llc), 0259960674-00 (Plasan North America, Inc.).
Key specifications for 9KK660: Part Name Assigned by Controlling Agency: U-BOLT; End Item Identification: 2320-01-465-2174 MK23, 2320-01-465-2176 MK25. 0 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.