The Union,pipe, cataloged under National Stock Number 4730-00-277-5507, 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 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-277-5507 |
| Primary Part Number | M18182-04C |
| Item Name | Union,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| Status | CANCELLED |
| Material | STEEL OVERALL |
| Nominal Thread Size | 0.500 INCHES ALL ENDS IN |
| Coupling Flange Shape | HEXAGON |
| Operating Pressure | 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Style Designator | SCREWED |
| Thread Series Designator | NPT ALL ENDS |
| Nominal Overall Length | 2.500 INCHES IN |
| Media for Which Designed | STEAM SECOND RESPONSE |
| Maximum Operating Temp | 550.0 FAHRENHEIT SINGLE RESPONSE DEGF |
| Seat Type | GROUND-JOINT |
| Reducer Type | CONCENTRIC |
| Connection Style | PLAIN (PIPE) ALL ENDS |
| Media for Which Designed | WATER-OIL-GAS FIRST RESPONSE |
| Connection Type | THREADED INTERNAL PIPE ALL ENDS |
| Nominal Pipe Size Accommodated | 0.500 INCHES ALL ENDS IN |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| M18182-04C | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MIL-U-18182 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 250H1-2IN | Crane Co Div Valve Div (USA) |
NSN 4730-00-277-5507 is a Union,pipe, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-277-5507 has 3 cross-referenced part numbers: M18182-04C (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MIL-U-18182 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), 250H1-2IN (Crane Co Div Valve Div).
There are 11 known substitutes for 4730-00-277-5507: 4730-00-066-1110, 4730-00-076-8608, 4730-00-222-1860 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for M18182-04C: Material: STEEL OVERALL; Nominal Thread Size: 0.500 INCHES ALL ENDS IN; Coupling Flange Shape: HEXAGON; Operating Pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-277-5507 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.