The Plug,pipe, cataloged under National Stock Number 4730-00-187-4231, 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 Westinghouse Electric Corp. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-187-4231 |
| Primary Part Number | 54B6971H21 |
| Item Name | Plug,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Westinghouse Electric Corp |
| Status | CANCELLED |
| Body Core Diameter | 1.375 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND EXTERNAL |
| Connection Style | PLAIN |
| Nominal Pipe Size for Which Designed | 1.500 INCHES IN |
| Material | COPPER ALLOY OVERALL |
| Material Document and Classification | QQ-S-390,COMP 3 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Core Depth | 0.594 INCHES MINIMUM AND 0.625 INCHES MAXIMUM IN |
| Body Type | CORED |
| Drive End Style | RAISED SQUARE |
| Thread Series Designator | NPT EXTERNAL |
| Nondefinitive Spec/std Data | A CLASS AND 1 PRESSURE RATING |
| Nominal Thread Size | 1.500 INCHES EXTERNAL IN |
| Head Type | SOLID |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 54B6971H21 | Westinghouse Electric Corp (USA) |
| MS14314-8Y | Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M |
| WW-P-460 | Federal Specifications Promulgated by General Services Administration Washington DC (USA) |
| 54B6971H21 | Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp (USA) |
NSN 4730-00-187-4231 is a Plug,pipe, manufactured by Westinghouse Electric Corp, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-187-4231 has 4 cross-referenced part numbers: 54B6971H21 (Westinghouse Electric Corp), MS14314-8Y (Military Standards Promulgated by Military Departments Under Authority of Defense Standardization Manual 4120 3-M), WW-P-460 (Federal Specifications Promulgated by General Services Administration Washington DC), 54B6971H21 (Northrop Grumman Systems Corporation Dba Northrop Grumman Systems Corp).
There is 1 known substitute for 4730-00-187-4231: 4730-01-388-2796. Verify interchangeability with system specifications before substitution.
Key specifications for 54B6971H21: Body Core Diameter: 1.375 INCHES MINIMUM AND 1.422 INCHES MAXIMUM IN; Thread Direction: RIGHT-HAND EXTERNAL; Connection Style: PLAIN; Nominal Pipe Size for Which Designed: 1.500 INCHES IN. 13 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-187-4231 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.