The Nut,plain,round, cataloged under National Stock Number 5310-01-043-6834, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Unity Manufacturing Co. Government technical data includes 13 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. 4 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-043-6834 |
| Primary Part Number | 1834 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Unity Manufacturing Co |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | SAE 72,COMP 406 D ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Nut Counterbore Depth | 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM NUT IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.216 INCHES IN |
| Nut Diameter | 0.405 INCHES MINIMUM AND 0.408 INCHES MAXIMUM IN |
| Counterbore Diameter | 0.234 INCHES MINIMUM AND 0.239 INCHES MAXIMUM NUT IN |
| Nut Thickness | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CHROMIUM OVERALL |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | COPPER ALLOY OVERALL |
| 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 |
|---|---|
| 1834 PRIMARY | Unity Manufacturing Co (USA) |
NSN 5310-01-043-6834 is a Nut,plain,round, manufactured by Unity Manufacturing Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-043-6834 has 1 manufacturer part number on file: 1834 (Unity Manufacturing Co).
4 possible matches (shared part number, not a government interchangeability claim): 4730-01-053-8468, 5355-01-172-4135, 3110-01-246-2430. Verify interchangeability with system specifications before substitution.
Key specifications for 1834: Thread Series: UNF; Material Document and Classification: SAE 72,COMP 406 D ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Nut Counterbore Depth: 0.135 INCHES MINIMUM AND 0.140 INCHES MAXIMUM NUT IN; Thread Direction: RIGHT-HAND. 13 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.