The Flange,pipe, cataloged under National Stock Number 4730-01-185-8136, 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 Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer. Government technical data includes 10 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-185-8136 |
| Primary Part Number | E3373 PIECE 71 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer |
| Status | ACTIVE |
| Bolt Circle Diameter | 3.125 INCHES NOMINAL IN |
| Material | STEEL |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Bolt Hole Quantity | 4 |
| Face Seating Surface Condition | MACHINED |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Flange Section Style | PLAIN FACE |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Thickness | 0.688 INCHES NOMINAL IN |
| Flange Diameter | 4.250 INCHES NOMINAL IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| E3373 PIECE 71 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| E-3373 | Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer (USA) |
| M18180/5003B01 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| ASME B16.5 | The American Society of Mechanical Engineers (USA) |
NSN 4730-01-185-8136 is a Flange,pipe, manufactured by Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-185-8136 has 4 cross-referenced part numbers: E3373 PIECE 71 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), E-3373 (Dover Pumps & Process Solutions Segment Inc Dba Blackmer Div Blackmer), M18180/5003B01 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), ASME B16.5 (The American Society of Mechanical Engineers).
There are 10 known substitutes for 4730-01-185-8136: 4730-00-235-4077, 4320-01-067-2766, 4320-01-130-2332 and 7 more. Verify interchangeability with system specifications before substitution.
Key specifications for E3373 PIECE 71: Bolt Circle Diameter: 3.125 INCHES NOMINAL IN; Material: STEEL; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Bolt Hole Quantity: 4. 10 total characteristics are documented in the Federal Logistics Information System.