The Nut,plain,round, cataloged under National Stock Number 5310-01-495-4815, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Bird-Johnson Propeller Company, Llc. Government technical data includes 1 specification, 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 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 | 5310-01-495-4815 |
| Primary Part Number | J-3-1-20 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Bird-Johnson Propeller Company, Llc |
| Status | ACTIVE |
| 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 |
|---|---|
| J-3-1-20 PRIMARY | Bird-Johnson Propeller Company, Llc (USA) |
NSN 5310-01-495-4815 is a Nut,plain,round, manufactured by Bird-Johnson Propeller Company, Llc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-495-4815 has 1 manufacturer part number on file: J-3-1-20 (Bird-Johnson Propeller Company, Llc).
1 possible match (shared part number, not a government interchangeability claim): 5120-01-586-2252. Verify interchangeability with system specifications before substitution.
Key specifications for J-3-1-20: Special Features: 4.72-12; End Item Identification: STERN THRUSTER ASSEMBLY, P/N E125FA42002 ABOARD 225 FT WLB COAST GUARD VESSELS FT; Material: STEEL OVERALL. 1 specification is 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.