The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-183-1491, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is The Boeing Company Div Legacy Am&m. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-183-1491 |
| Primary Part Number | L5873416-003 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Legacy Am&m |
| Status | ACTIVE |
| Width Across Flats | 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN |
| Thread Series | UNJS |
| Hole Configuration Style | CONFIGURATION B |
| Thread Pitch Diameters | +0.3455 TO 0.3494 INCHES IN |
| Material Document and Classification | ST0160LB0013,ALLOY PA13-8MO,FSCM 43999 MFR REF SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.375 INCHES IN |
| Nut Height | 0.250 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.0465 INCHES NOMINAL IN |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 22 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 2 DRILLED |
| 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 |
|---|---|
| L5873416-003 PRIMARY | The Boeing Company Div Legacy Am&m (USA) |
NSN 5310-01-183-1491 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Legacy Am&m, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-183-1491 has 1 manufacturer part number on file: L5873416-003 (The Boeing Company Div Legacy Am&m).
Key specifications for L5873416-003: Width Across Flats: 0.553 INCHES MINIMUM AND 0.565 INCHES MAXIMUM IN; Thread Series: UNJS; Hole Configuration Style: CONFIGURATION B; Thread Pitch Diameters: +0.3455 TO 0.3494 INCHES IN. 14 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.