The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-022-0073, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Honeywell International, Inc Div Aerospace-Tucson. Government technical data includes 12 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through both NSN and commercial part number lookups. 7 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-00-022-0073 |
| Primary Part Number | 20501-52 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Honeywell International, Inc Div Aerospace-Tucson |
| Status | ACTIVE |
| Width Across Flats | 0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nondefinitive Spec/std Data | 5 TYPE |
| Nut Height | 0.427 INCHES MINIMUM AND 0.448 INCHES MAXIMUM IN |
| Surface Treatment | CADMIUM OR ZINC OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 13 |
| Material | STEEL OVERALL |
| Bearing Surface Type | CHAMFERED OR WASHER FACED |
| 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 |
|---|---|
| 220073 | General Motors Llc Dba General Motors Llc (USA) |
| 20501-52 PRIMARY | Honeywell International, Inc Div Aerospace-Tucson (USA) |
| Reference | Meaning |
|---|---|
| 220073 | 5/9 Secondary reference International Harvester Co Agricultural Equipment Div |
| MP157-4 | 5/2 Secondary reference U.S. Government activity |
| 20501-52 | 5/9 Secondary reference Honeywell Intl Inc Defense Avionics Systems Former Bendix Navigation and Control Systems |
| 20501-52 | 5/9 Secondary reference U.S. Government activity |
| FFB571TYPEA | 4/1 Identification reference U.S. Government activity |
| BBAX1E1 | 5/9 Secondary reference CAGE 00000 |
| 220073 | 5/9 Secondary reference General Motors Corp |
NSN 5310-00-022-0073 is a Nut,plain,hexagon, manufactured by Honeywell International, Inc Div Aerospace-Tucson, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-022-0073 has 2 manufacturer part numbers on file: 220073 (General Motors Llc Dba General Motors Llc), 20501-52 (Honeywell International, Inc Div Aerospace-Tucson).
1 possible match (shared part number, not a government interchangeability claim): 4330-00-382-5997. Verify interchangeability with system specifications before substitution.
Key specifications for 20501-52: Width Across Flats: 0.737 INCHES MINIMUM AND 0.750 INCHES MAXIMUM IN; Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.500 INCHES IN. 12 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.