The Nut,self-Locking,round, cataloged under National Stock Number 5310-01-246-8450, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Whittet-Higgins Company. Government technical data includes 15 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-246-8450 |
| Primary Part Number | BH-15 |
| Item Name | Nut,self-Locking,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Whittet-Higgins Company |
| Status | ACTIVE |
| Thread Series | UNS |
| Thread Pitch Diameters | +2.8789 TO 2.8843 INCHES IN |
| Material Document and Classification | AISI ASSN STD ALL MATERIAL RESPONSES NUT |
| Drive Point Width | 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 2.933 INCHES IN |
| Nut Diameter | 3.875 INCHES NOMINAL IN |
| Drive Point Depth | 0.125 INCHES NOMINAL IN |
| Locking Feature | PREVAILING TORQUE WITH NONMETALLIC INSERT |
| Nut Thickness | 0.859 INCHES NOMINAL IN |
| Drive Point Quantity | 4 |
| Nut Style | ROUND |
| Thread Quantity Per Inch | 12 |
| Material | PLASTIC POLYAMIDE NYLON LOCKING INSERT |
| Material | STEEL COMP 1015 OR STEEL COMP 1018 OR STEEL COMP 1020 OR STEEL COMP 1117 OR STEEL COMP 1118 OR STEEL COMP 1213 OR STEEL COMP 1215 NUT |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
NSN 5310-01-246-8450 is a Nut,self-Locking,round, manufactured by Whittet-Higgins Company, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-246-8450 has 2 manufacturer part numbers on file: 5829194-2 (Naval Sea Systems Command), BH-15 (Whittet-Higgins Company).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-261-1579. Verify interchangeability with system specifications before substitution.
Key specifications for BH-15: Thread Series: UNS; Thread Pitch Diameters: +2.8789 TO 2.8843 INCHES IN; Material Document and Classification: AISI ASSN STD ALL MATERIAL RESPONSES NUT; Drive Point Width: 0.355 INCHES MINIMUM AND 0.385 INCHES MAXIMUM IN. 15 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.