The Flange,pipe, cataloged under National Stock Number 4730-00-640-6834, 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 Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings). Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 6 commercial cross-references from 5 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-00-640-6834 |
| Primary Part Number | CS4730-0108A028DJ |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) |
| Status | CANCELLED |
| Socket Diameter | 1.660 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.562 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Flange Section Style | PLAIN FACE, SOCKET BRAZING NECK |
| Neck Height | 0.812 INCHES NOMINAL IN |
| Face Seating Surface Condition | MACHINED |
| Tube Outside Diameter for Which Designed | 1.660 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | PR TYPE |
| Operating Pressure and Type | 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Supplementary Features | BRAZING RING IS NOT TO BE INSERTED IN GROOVE BUT PACKAGED SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT; EXCEPT UNLESS OTHERWISE SPECIFIED, TOLERANCES SHALL BE PLUS OR MINUS 1/64 FOR FRACTIONS AND PLUS OR MINUS 0.10 FOR DECIMALS FOR THOSE DIMENSIONS NOT COVERED BY PARA. 3.6.3 AND TABLE IV OF MIL-F-20042D |
| Thickness | 0.438 INCHES NOMINAL IN |
| Flange Diameter | 4.500 INCHES NOMINAL IN |
| Bolt Circle Diameter | 3.375 INCHES NOMINAL IN |
| Maximum Operating Temp and Media for Which Designed | 425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF |
| Material | COPPER |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| B176 | Naval Ship Systems Command (USA) |
| MIL-PRF-20042 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| MILF20042 | Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc (USA) |
| MILF20042 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| CS4730-0108A028DJ PRIMARY | Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings) (USA) |
| MILF20042 | Mindeco Corp (USA) |
NSN 4730-00-640-6834 is a Flange,pipe, manufactured by Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings), classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-00-640-6834 has 6 cross-referenced part numbers: B176 (Naval Ship Systems Command), MIL-PRF-20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILF20042 (Samuel Levine Plumbing and Heating Supplies, Inc. Div Slphs Inc), MILF20042 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), CS4730-0108A028DJ (Dla Land and Maritime Dba Engineering and Technical Support Div Document Standardization Division (vendor Item Drawings)) and 1 more.
There are 10 known substitutes for 4730-00-640-6834: 4730-00-230-8777, 5110-00-561-2531, 4730-00-640-6823 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for CS4730-0108A028DJ: Socket Diameter: 1.660 INCHES NOMINAL IN; Bolt Hole Diameter: 0.562 INCHES NOMINAL IN; Bolt Hole Quantity: 4; Flange Section Style: PLAIN FACE, SOCKET BRAZING NECK. 16 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-00-640-6834 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.