The Nut,plain,round, cataloged under National Stock Number 5310-01-008-3305, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Burke Products Inc. Government technical data includes 8 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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 | 5310-01-008-3305 |
| Primary Part Number | BP11445 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Burke Products Inc |
| Status | ACTIVE |
| Thread Series | UN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.4375 INCHES IN |
| Nut Diameter | 0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN |
| Nut Thickness | 0.940 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | STEEL COMP 303SE OVERALL |
| 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 |
|---|---|
| BP11445 PRIMARY | Burke Products Inc (USA) |
| Reference | Meaning |
|---|---|
| 3323575 | 5/2 Secondary reference U.S. Government activity |
NSN 5310-01-008-3305 is a Nut,plain,round, manufactured by Burke Products Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-008-3305 has 1 manufacturer part number on file: BP11445 (Burke Products Inc).
Key specifications for BP11445: Thread Series: UN; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.4375 INCHES IN; Nut Diameter: 0.655 INCHES MINIMUM AND 0.660 INCHES MAXIMUM IN. 8 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.