The Nut,plain,hexagon, cataloged under National Stock Number 5310-00-172-6326, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Kontron Europe Gmbh. Government technical data includes 16 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through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-172-6326 |
| Primary Part Number | 029-40-023 |
| Item Name | Nut,plain,hexagon |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Kontron Europe Gmbh |
| Status | ACTIVE |
| Width Across Flats | 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN |
| Surface Treatment Document and Classification | QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series | UNEF |
| Hole Configuration Style | CONFIGURATION B |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.500 INCHES IN |
| Nut Height | 0.109 INCHES NOMINAL IN |
| Drilled Hole Diameter | 0.037 INCHES MINIMUM AND 0.040 INCHES MAXIMUM IN |
| Surface Treatment | SILVER OVERALL |
| Nut Style | HEXAGON |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | ALUMINUM ALLOY 2024 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 |
|---|---|
| 029-40-023 | Kontron Europe Gmbh (DEU) |
| Reference | Meaning |
|---|---|
| SMA586527 | 7/2 Vendor item drawing reference U.S. Government activity |
| 029-40-023-005 | 3/2 Design control — primary reference U.S. Government activity |
| 029-40-023 | 5/9 Secondary reference U.S. Government activity |
NSN 5310-00-172-6326 is a Nut,plain,hexagon, manufactured by Kontron Europe Gmbh, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-172-6326 has 1 manufacturer part number on file: 029-40-023 (Kontron Europe Gmbh).
Key specifications for 029-40-023: Width Across Flats: 0.609 INCHES MINIMUM AND 0.641 INCHES MAXIMUM IN; Surface Treatment Document and Classification: QQ-S-365 FED SPEC SINGLE TREATMENT RESPONSE OVERALL; Thread Series: UNEF; 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.