The Union,pipe, cataloged under National Stock Number 4730-00-277-5505, 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 Crane Co Div Valve Div. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-5505 |
| Primary Part Number | 250H3-4IN |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Crane Co Div Valve Div |
| Status | CANCELLED |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS FIRST RESPONSE |
| Nominal Pipe Size Accommodated | 0.750 INCHES ALL ENDS IN |
| Style Designator | SCREWED |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Departure From Cited Document | AS MODIFIED BY MATERIEL,FINISH,END STYLE,THREAD SIZE,LENGTH,RATED WORKING PRESSURE AND WORKING TEMPERATURE |
| Nominal Thread Size | 0.750 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Nominal Overall Length | 2.250 INCHES IN |
| Thread Series Designator | NPT ALL ENDS |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Maximum Operating Temp | 550.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Material Document and Classification | ASTMA105-61T,GR2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Seat Type | GROUND-JOINT |
| Material | STEEL OVERALL |
| Reducer Type | CONCENTRIC |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 201-4510950-104 | Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace (USA) |
| 250H3-4 | Crane Co Div Valve Div (USA) |
| WWU536 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 250H | Crane Co Div Valve Div (USA) |
| 250H3-4IN PRIMARY | Crane Co Div Valve Div (USA) |
NSN 4730-00-277-5505 is a Union,pipe, manufactured by Crane Co Div Valve Div, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-277-5505 has 5 cross-referenced part numbers: 201-4510950-104 (Rohr, Inc. Dba Rohr Industries Inc Div Rohr Inc., a Part of Collins Aerospace), 250H3-4 (Crane Co Div Valve Div), WWU536 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 250H (Crane Co Div Valve Div), 250H3-4IN (Crane Co Div Valve Div).
There are 5 known substitutes for 4730-00-277-5505: 4730-00-277-5501, 4730-00-294-2677, 6625-00-543-9481 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 250H3-4IN: Connection Type: THREADED INTERNAL PIPE ALL ENDS; Media for Which Designed: WATER-OIL-GAS FIRST RESPONSE; Nominal Pipe Size Accommodated: 0.750 INCHES ALL ENDS IN; Style Designator: SCREWED. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-277-5505 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.