The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-172-0028, 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 Defense. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 4 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-172-0028 |
| Primary Part Number | 75A430720-2001 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | PS 13143,CL 3,TY 2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | MIL-S-5000 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.875 INCHES IN |
| Nut Height | 0.320 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.069 INCHES MINIMUM AND 0.074 INCHES MAXIMUM IN |
| Surface Treatment | ALUMINUM OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 3B |
| Thread Quantity Per Inch | 14 |
| Material | STEEL COMP 4340 OVERALL |
| Bearing Surface Type | CHAMFERED |
| Hole Type and Quantity | 3 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 |
|---|---|
| 75A430720-2001 | Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk (GBR) |
| 75A430720-2001 | Cm Manufacturing Inc Dba Cm Manufacturing Inc (USA) |
| 75A430720-2001 PRIMARY | The Boeing Company Div Defense (USA) |
| 75A430720-2001 | Safran Landing Systems Canada Inc. (CAN) |
| Reference | Meaning |
|---|---|
| 75A430720-2001 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-01-172-0028 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-172-0028 has 4 manufacturer part numbers on file: 75A430720-2001 (Safran Landing Systems Uk Ltd Div Safran Landing Systems Uk), 75A430720-2001 (Cm Manufacturing Inc Dba Cm Manufacturing Inc), 75A430720-2001 (The Boeing Company Div Defense), 75A430720-2001 (Safran Landing Systems Canada Inc.).
Key specifications for 75A430720-2001: Width Across Flats: 1.296 INCHES MINIMUM AND 1.315 INCHES MAXIMUM IN; Surface Treatment Document and Classification: PS 13143,CL 3,TY 2,FSCM 76301 MFR REF SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNIFIED NATIONAL JOINT FINE (UNJF); Hole Configuration Style: CONFIGURATION B. 16 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.