The Nut,plain,round, cataloged under National Stock Number 5310-00-989-4608, is classified within Federal Supply Class 5310 (Nuts and Washers) of the Hardware and Abrasives group. The manufacturer of record is Airflo Instrument Company, the Dba Airflo Instrument Co. Government technical data includes 14 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. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-989-4608 |
| Primary Part Number | 5110-159 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — Nuts and Washers |
| Manufacturer | Airflo Instrument Company, the Dba Airflo Instrument Co |
| Status | ACTIVE |
| Thread Series | UNF |
| Material Document and Classification | 66 FED STD SINGLE MATERIAL RESPONSE OVERALL |
| Drive Point Width | 0.100 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND |
| Nominal Thread Size | 0.250 INCHES IN |
| Nut Diameter | 0.500 INCHES NOMINAL IN |
| Drive Point Depth | 0.120 INCHES NOMINAL IN |
| Nut Thickness | 0.500 INCHES NOMINAL IN |
| Surface Treatment | CADMIUM OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Class | 2B |
| Thread Quantity Per Inch | 28 |
| Material | STEEL COMP 1020 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 |
|---|---|
| 5110-159 PRIMARY | Airflo Instrument Company, the Dba Airflo Instrument Co (USA) |
NSN 5310-00-989-4608 is a Nut,plain,round, manufactured by Airflo Instrument Company, the Dba Airflo Instrument Co, classified under FSC 5310, Nuts and Washers. Status: active.
NSN 5310-00-989-4608 has 1 manufacturer part number on file: 5110-159 (Airflo Instrument Company, the Dba Airflo Instrument Co).
Key specifications for 5110-159: Thread Series: UNF; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE OVERALL; Drive Point Width: 0.100 INCHES NOMINAL IN; Thread Direction: RIGHT-HAND. 14 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.