The Nut,plain,round, cataloged under National Stock Number 5310-00-205-7421, is classified within Federal Supply Class 5310 (No Item Name Available) of the Hardware and Abrasives group. The primary manufacturer of record is Mine Safety Appliances Company. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 5310-00-205-7421 |
| Primary Part Number | 3925 |
| Item Name | Nut,plain,round |
| FSC / FSG | 5310 / 53 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Nut Thickness | 0.125 INCHES NOMINAL IN |
| Nominal Thread Size | 0.875 INCHES IN |
| Thread Quantity Per Inch | 27 |
| Thread Series | UNS |
| Material | COPPER ALLOY OVERALL |
| Drive Point Quantity | 2 |
| Nut Style | ROUND |
| Thread Direction | RIGHT-HAND |
| Surface Treatment | CADMIUM OVERALL |
| Nut Diameter | 1.125 INCHES NOMINAL IN |
| Drive Point Width | 0.125 INCHES NOMINAL IN |
| Thread Class | 2B |
| Drive Point Depth | 0.047 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3925 PRIMARY | Mine Safety Appliances Company (USA) |
NSN 5310-00-205-7421 is a Nut,plain,round, manufactured by Mine Safety Appliances Company, classified under FSC 5310 (No Item Name Available). Status: active.
NSN 5310-00-205-7421 has 1 cross-referenced part number: 3925 (Mine Safety Appliances Company).
There are 6 known substitutes for 5310-00-205-7421: 5999-00-035-8744, 3110-00-100-0381, 4730-00-595-2943 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 3925: Nut Thickness: 0.125 INCHES NOMINAL IN; Nominal Thread Size: 0.875 INCHES IN; Thread Quantity Per Inch: 27; Thread Series: UNS. 13 total characteristics are documented in the Federal Logistics Information System.