The Coupling,pipe, cataloged under National Stock Number 4730-00-273-6057, 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 Rolls-Royce Solutions America Inc. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 11 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-273-6057 |
| Primary Part Number | 187396 |
| Item Name | Coupling,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rolls-Royce Solutions America Inc |
| Status | CANCELLED |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Specification/standard Data | 81348-WW-P-521 GOVERNMENT SPECIFICATION |
| Material | STEEL OVERALL |
| Nominal Thread Size | 0.375 INCHES ALL ENDS IN |
| Operating Pressure | 150.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM FIRST RESPONSE LBS |
| Nominal Overall Length | 1.187 INCHES IN |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Style Designator | THREADED INTERNAL |
| Media for Which Designed | WATER-OIL-GAS SECOND RESPONSE |
| Maximum Operating Temp | 260.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Maximum Operating Temp | 65.6 FAHRENHEIT SECOND RESPONSE DEGF |
| Nondefinitive Spec/std Data | 1 TYPE |
| Media for Which Designed | STEAM FIRST RESPONSE |
| Operating Pressure | 300.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SECOND RESPONSE LBS |
| Thread Series Designator | NPSC ALL ENDS |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 3220FX | Oshkosh Defense Llc (USA) |
| 3220F | Oshkosh Defense Llc (USA) |
| 3220FX | Oshkosh Corp (USA) |
| 187396 | Euclid Inc (USA) |
| 187396 | General Motors Corp (USA) |
| 3220F | Oshkosh Corp (USA) |
| 221-1337 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 4546K22 | Mcmaster-Carr Supply Co (USA) |
| WWP521 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 221-337 | Cnh Industrial America Llc Dba Cnh America (USA) |
| 187396 PRIMARY | Rolls-Royce Solutions America Inc (USA) |
NSN 4730-00-273-6057 is a Coupling,pipe, manufactured by Rolls-Royce Solutions America Inc, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-273-6057 has 11 cross-referenced part numbers: 3220FX (Oshkosh Defense Llc), 3220F (Oshkosh Defense Llc), 3220FX (Oshkosh Corp), 187396 (Euclid Inc), 187396 (General Motors Corp) and 6 more.
There are 4 known substitutes for 4730-00-273-6057: 5950-00-078-2242, 4730-00-202-9889, 3110-00-554-3813 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 187396: End Item Identification: LOADER,SCOOP TYPE,21/2 CU. YD.,J.I. CASE MODEL MW24B,MW24; HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); Connection Type: THREADED INTERNAL PIPE ALL ENDS; Specification/standard Data: 81348-WW-P-521 GOVERNMENT SPECIFICATION; Material: STEEL OVERALL. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-273-6057 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.