The Union,pipe, cataloged under National Stock Number 4730-00-277-9228, 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 Itt Grinnell Corp. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-9228 |
| Primary Part Number | 2125-1/4 |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Itt Grinnell Corp |
| Status | ACTIVE |
| Connection Style | PLAIN (PIPE) SECOND END |
| Surface Treatment | CADMIUM INSIDE |
| Media for Which Designed | WATER-OIL-GAS SINGLE RESPONSE |
| Coupling Flange Shape | HEXAGON |
| Nominal Thread Size | 0.250 INCHES ALL ENDS IN |
| Surface Treatment | CADMIUM OUTSIDE |
| Nominal Overall Length | 2.250 INCHES IN |
| Thread Series Designator | NPT ALL ENDS |
| Material | STEEL OVERALL |
| Operating Pressure | 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Reducer Type | CONCENTRIC |
| Connection Type | THREADED EXTERNAL PIPE SECOND END |
| Connection Style | PLAIN (PIPE) FIRST END |
| Nominal Pipe Size Accommodated | 0.250 INCHES ALL ENDS IN |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Seat Type | GROUND-JOINT |
| Style Designator | SCREWED |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 2125-1/4 | Itt Grinnell Corp (USA) |
| M18182-46C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 254H | Crane Co Div Valve Div (USA) |
NSN 4730-00-277-9228 is a Union,pipe, manufactured by Itt Grinnell Corp, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-277-9228 has 3 cross-referenced part numbers: 2125-1/4 (Itt Grinnell Corp), M18182-46C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 254H (Crane Co Div Valve Div).
There is 1 known substitute for 4730-00-277-9228: 7105-01-486-5929. Verify interchangeability with system specifications before substitution.
Key specifications for 2125-1/4: Connection Style: PLAIN (PIPE) SECOND END; Surface Treatment: CADMIUM INSIDE; Media for Which Designed: WATER-OIL-GAS SINGLE RESPONSE; Coupling Flange Shape: HEXAGON. 17 total characteristics are documented in the Federal Logistics Information System.