The Nut,plain,barrel, cataloged under National Stock Number 5310-01-601-1810, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Emhart Fastening Group. Government technical data includes 12 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-601-1810 |
| Primary Part Number | 347012 |
| Item Name | Nut,plain,barrel |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Emhart Fastening Group |
| Status | ACTIVE |
| Flange Diameter | 0.438 INCHES NOMINAL IN |
| Nut Length | 0.499 INCHES NOMINAL IN |
| Flange Thickness | 0.052 INCHES NOMINAL IN |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.164 INCHES IN |
| Nut Diameter | 0.312 INCHES NOMINAL IN |
| Nut Style | PLAIN BARREL |
| Thread Class | 2B |
| Thread Quantity Per Inch | 32 |
| Material | COPPER ALLOY THREADS |
| Material | RUBBER CHLOROPRENE CLASS CR OVERALL EXCEPT THREADS |
| 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 |
|---|---|
| 000850-129 PC 42 | Hydraulics International, Inc. Dba Hydraulics International Inc (USA) |
| 347012 PRIMARY | Emhart Fastening Group (USA) |
NSN 5310-01-601-1810 is a Nut,plain,barrel, manufactured by Emhart Fastening Group, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-601-1810 has 2 manufacturer part numbers on file: 000850-129 PC 42 (Hydraulics International, Inc. Dba Hydraulics International Inc), 347012 (Emhart Fastening Group).
Key specifications for 347012: Flange Diameter: 0.438 INCHES NOMINAL IN; Nut Length: 0.499 INCHES NOMINAL IN; Flange Thickness: 0.052 INCHES NOMINAL IN; Thread Series: UNIFIED NATIONAL COARSE (UNC). 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.