The Reducer,pipe, cataloged under National Stock Number 4730-01-379-2133, is classified within Federal Supply Class 4730 (No Item Name Available) of the Pipe, Tubing, Hose, and Fittings group. The primary manufacturer of record is Mine Safety Appliances Company. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, 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 | 4730-01-379-2133 |
| Primary Part Number | 66251 |
| Item Name | Reducer,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mine Safety Appliances Company |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE SECOND END |
| Nominal Thread Size | 0.250 INCHES SECOND END IN |
| Maximum Operating Temp | 40.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Operating Pressure | 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Thread Series Designator | NPT FIRST END |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Connection Style | PLAIN (PIPE) SECOND END |
| Thread Series Designator | NPT SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Reducer Type | CONCENTRIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-01-379-2133 is a Reducer,pipe, manufactured by Mine Safety Appliances Company, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-379-2133 has 2 cross-referenced part numbers: 66251 (Mine Safety Appliances Company, Llc Dba M S a), 66251 (Mine Safety Appliances Company).
There are 6 known substitutes for 4730-01-379-2133: 5330-00-310-9080, 4730-00-595-0083, 3040-01-006-7574 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 66251: Connection Type: THREADED INTERNAL PIPE SECOND END; Nominal Thread Size: 0.250 INCHES SECOND END IN; Maximum Operating Temp: 40.0 FAHRENHEIT SINGLE RESPONSE DEGF; Operating Pressure: 100.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 12 total characteristics are documented in the Federal Logistics Information System.