The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-442-9139, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Lake Shore Systems, Inc.. Government technical data includes 4 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-442-9139 |
| Primary Part Number | PL2D3-05656 REV B ITEM NO.26 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Lake Shore Systems, Inc. |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Nominal Thread Size | 0.375 INCHES IN |
| Thread Quantity Per Inch | 16 |
| Material | STEEL COMP 316 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 |
|---|---|
| PL2D3-05656 REV B ITEM NO.26 PRIMARY | Lake Shore Systems, Inc. (USA) |
| 2D3-05656 REV A ITEM NO.26 PRIMARY | Lake Shore Systems, Inc. (USA) |
NSN 5310-01-442-9139 is a Nut,plain,hexagon, manufactured by Lake Shore Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-442-9139 has 2 manufacturer part numbers on file: PL2D3-05656 REV B ITEM NO.26 (Lake Shore Systems, Inc.), 2D3-05656 REV A ITEM NO.26 (Lake Shore Systems, Inc.).
Key specifications for PL2D3-05656 REV B ITEM NO.26: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.375 INCHES IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; Thread Quantity Per Inch: 16. 4 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.