The Nut,plain,round, cataloged under National Stock Number 5310-01-399-8346, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Nook Industries Llc Dba Ball Bearing Screw Supply Inc. Government technical data includes 6 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 | 5310-01-399-8346 |
| Primary Part Number | RH20155 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Nook Industries Llc Dba Ball Bearing Screw Supply Inc |
| Status | ACTIVE |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 1.967 INCHES IN |
| Nut Diameter | 2.120 INCHES NOMINAL IN |
| Nut Thickness | 2.300 INCHES NOMINAL IN |
| Thread Quantity Per Inch | 18 |
| 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 |
|---|---|
| RH20155 PRIMARY | Nook Industries Llc Dba Ball Bearing Screw Supply Inc (USA) |
| GN512MR24A | Northrop Grumman Systems Corporation (USA) |
NSN 5310-01-399-8346 is a Nut,plain,round, manufactured by Nook Industries Llc Dba Ball Bearing Screw Supply Inc, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-399-8346 has 2 manufacturer part numbers on file: RH20155 (Nook Industries Llc Dba Ball Bearing Screw Supply Inc), GN512MR24A (Northrop Grumman Systems Corporation).
Key specifications for RH20155: Thread Direction: RIGHT-HAND; Nominal Thread Size: 1.967 INCHES IN; Nut Diameter: 2.120 INCHES NOMINAL IN; Nut Thickness: 2.300 INCHES NOMINAL IN. 6 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.