The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-465-8724, 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 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 3 items share a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-465-8724 |
| Primary Part Number | 2D3-621-39 |
| 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 | 0.625 INCHES IN |
| Thread Quantity Per Inch | 11 |
| Material | STEEL 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 |
|---|---|
| 2D3-621-39 PRIMARY | Lake Shore Systems, Inc. (USA) |
| Reference | Meaning |
|---|---|
| PL-2D3-621 PC 39 | 5/9 Secondary reference Lake Shore Systems, Inc. |
| 2D3-621 | D/9 Drawing number reference only Lake Shore Systems, Inc. |
NSN 5310-01-465-8724 is a Nut,plain,hexagon, manufactured by Lake Shore Systems, Inc., classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-465-8724 has 1 manufacturer part number on file: 2D3-621-39 (Lake Shore Systems, Inc.).
3 possible matches (shared part number, not a government interchangeability claim): 5310-01-466-2768, 3040-01-472-7150, 3040-01-472-7677. Verify interchangeability with system specifications before substitution.
Key specifications for 2D3-621-39: Thread Series: UNIFIED NATIONAL COARSE (UNC); Nominal Thread Size: 0.625 INCHES IN; Part Name Assigned by Controlling Agency: NAVY SPECIAL PROJECT; End Item Identification: NIMITZ CLASS CVN. 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.