The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-401-1950, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Roller Bearing Co of America, Inc Div Pic Design. Government technical data includes 10 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 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 | 5310-00-401-1950 |
| Primary Part Number | Y8-0 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Roller Bearing Co of America, Inc Div Pic Design |
| Status | ACTIVE |
| Width Across Flats | 0.146 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN |
| Thread Series | UNF |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.060 INCHES IN |
| Nut Height | 0.035 INCHES MINIMUM AND 0.050 INCHES MAXIMUM IN |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 80 |
| Material | STEEL COMP 303 OVERALL |
| Bearing Surface Type | CHAMFERED |
| 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 |
|---|---|
| Y8-0 PRIMARY | Roller Bearing Co of America, Inc Div Pic Design (USA) |
| CB0109023 ITEM 47 | Thales Uk Limited Dba Thales Uk Ltd Optronics (GBR) |
NSN 5310-00-401-1950 is a Nut,plain,hexagon, manufactured by Roller Bearing Co of America, Inc Div Pic Design, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-401-1950 has 2 manufacturer part numbers on file: Y8-0 (Roller Bearing Co of America, Inc Div Pic Design), CB0109023 ITEM 47 (Thales Uk Limited Dba Thales Uk Ltd Optronics).
1 possible match (shared part number, not a government interchangeability claim): 5340-00-522-0898. Verify interchangeability with system specifications before substitution.
Key specifications for Y8-0: Width Across Flats: 0.146 INCHES MINIMUM AND 0.156 INCHES MAXIMUM IN; Thread Series: UNF; Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.060 INCHES IN. 10 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.