The Nut,plain,round, cataloged under National Stock Number 5310-01-150-8539, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Riimic, Llc Dba Sunair Electronics. Government technical data includes 7 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through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-01-150-8539 |
| Primary Part Number | 0841720002 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Riimic, Llc Dba Sunair Electronics |
| Status | ACTIVE |
| Thread Series | UNIFIED NATIONAL COARSE (UNC) |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.551 INCHES NOMINAL IN |
| Nut Thickness | 0.393 INCHES NOMINAL IN |
| Thread Class | 2B |
| Thread Quantity Per Inch | 40 |
| 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 |
|---|---|
| 0841720002 PRIMARY | Riimic, Llc Dba Sunair Electronics (USA) |
| Reference | Meaning |
|---|---|
| SW2AA37 | 5/9 Secondary reference Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc |
NSN 5310-01-150-8539 is a Nut,plain,round, manufactured by Riimic, Llc Dba Sunair Electronics, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-01-150-8539 has 1 manufacturer part number on file: 0841720002 (Riimic, Llc Dba Sunair Electronics).
Key specifications for 0841720002: Thread Series: UNIFIED NATIONAL COARSE (UNC); Thread Direction: RIGHT-HAND; Nominal Thread Size: 0.250 INCHES IN; Nut Diameter: 0.551 INCHES NOMINAL IN. 7 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.