The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-502-6940, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National. Government technical data includes 14 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government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 | 5310-01-502-6940 |
| Primary Part Number | T3-7223-10E |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National |
| Status | ACTIVE |
| Width Across Flats | 32.91 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM |
| Thread Tolerance Class | 6H INTERNAL |
| Bearing Surface Finish | 125.0 MICROINCHES |
| Surface Treatment Document and Classification | QQ-P-35, TYPE I FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | ISO M |
| Thread Pitch in Millimeters | 1.00 |
| Material Document and Classification | AMS5640 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 28.0 MILLIMETERS MM |
| Nut Height | 3.17 MILLIMETERS MINIMUM AND 3.62 MILLIMETERS MAXIMUM MM |
| Surface Treatment | PASSIVATE OVERALL |
| Nut Style | HEXAGON |
| 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 |
|---|---|
| 1753M37P15 | General Electric Company (USA) |
| T3-7223-10E PRIMARY | Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National (USA) |
| Reference | Meaning |
|---|---|
| 1753M37 | D/9 Drawing number reference only General Electric Company |
NSN 5310-01-502-6940 is a Nut,plain,hexagon, manufactured by Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-502-6940 has 2 manufacturer part numbers on file: 1753M37P15 (General Electric Company), T3-7223-10E (Amphenol Corporation Dba Amphenol Aerospace Industrial Div Amphenol Aerospace/pyle National).
1 possible match (shared part number, not a government interchangeability claim): 5310-01-502-6943. Verify interchangeability with system specifications before substitution.
Key specifications for T3-7223-10E: Width Across Flats: 32.91 MILLIMETERS MINIMUM AND 36.00 MILLIMETERS MAXIMUM MM; Thread Tolerance Class: 6H INTERNAL; Bearing Surface Finish: 125.0 MICROINCHES; Surface Treatment Document and Classification: QQ-P-35, TYPE I FED SPEC SINGLE TREATMENT RESPONSE OVERALL. 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.