The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-019-2420, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International Inc Dba Honeywell. Government technical data includes 13 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-019-2420 |
| Primary Part Number | 45043-2303 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International Inc Dba Honeywell |
| Status | ACTIVE |
| Width Across Flats | 0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-N-290,CL 1,TY 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Material Document and Classification | QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.086 INCHES IN |
| Nut Height | 0.057 INCHES MINIMUM AND 0.066 INCHES MAXIMUM IN |
| Surface Treatment | NICKEL OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 56 |
| Material | COPPER ALLOY 462 OR COPPER ALLOY 464 OR COPPER ALLOY 482 OR COPPER ALLOY 485 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 |
|---|---|
| S45043-2303 | Honeywell International Inc Dba Honeywell (USA) |
| 45043-2303 PRIMARY | Honeywell International Inc Dba Honeywell (USA) |
NSN 5310-01-019-2420 is a Nut,plain,hexagon, manufactured by Honeywell International Inc Dba Honeywell, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-019-2420 has 2 manufacturer part numbers on file: S45043-2303 (Honeywell International Inc Dba Honeywell), 45043-2303 (Honeywell International Inc Dba Honeywell).
Key specifications for 45043-2303: Width Across Flats: 0.180 INCHES MINIMUM AND 0.188 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-N-290,CL 1,TY 6 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL COARSE (UNC); Material Document and Classification: QQ-B-637 FED SPEC ALL MATERIAL RESPONSES OVERALL. 13 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.