The Nut,plain,hexagon, cataloged under National Stock Number 5310-01-006-0298, 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 12 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through both NSN and commercial part number lookups. 5 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-006-0298 |
| Primary Part Number | ST7M223T10 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | The Boeing Company Div Defense |
| Status | ACTIVE |
| Width Across Flats | 1.125 INCHES NOMINAL IN |
| Thread Series | UNJS |
| Thread Pitch Diameters | +0.8077 TO 0.8122 INCHES IN |
| Material Document and Classification | AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.8438 INCHES IN |
| Nut Height | 0.278 INCHES NOMINAL IN |
| Countersink Angle | 80.0 DEGREES MINIMUM AND 100.0 DEGREES MAXIMUM NUT |
| Nut Style | HEXAGON |
| Thread Quantity Per Inch | 18 |
| Material | TITANIUM ALLOY 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 |
|---|---|
| ST7M223T10 PRIMARY | The Boeing Company Div Defense (USA) |
| Reference | Meaning |
|---|---|
| ST7M223T10 | 5/9 Secondary reference Parker-Hannifin Corporation Dba Pneutronics Div Stratoflex Product Division |
| 10121935 | 6/9 Informative reference only Nimikkeistokeskus Ncb Finland |
| ST7M223T10 | 5/9 Secondary reference Nelson Aero Space, Inc. |
| ST7M223T10 | 5/9 Secondary reference Designed Metal Connections Inc Dba Permaswage Usa Div Permaswage, a Pcc Company |
| ST7M223T10 | 5/9 Secondary reference Bailey Hose Inc |
NSN 5310-01-006-0298 is a Nut,plain,hexagon, manufactured by The Boeing Company Div Defense, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-006-0298 has 1 manufacturer part number on file: ST7M223T10 (The Boeing Company Div Defense).
Key specifications for ST7M223T10: Width Across Flats: 1.125 INCHES NOMINAL IN; Thread Series: UNJS; Thread Pitch Diameters: +0.8077 TO 0.8122 INCHES IN; Material Document and Classification: AMS 4965 ASSN STD SINGLE MATERIAL RESPONSE OVERALL. 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.