The Flange,pipe, cataloged under National Stock Number 4730-01-620-0551, 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 Mcmaster-Carr Supply Co. Government technical data includes 9 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-01-620-0551 |
| Primary Part Number | 44685K16 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Mcmaster-Carr Supply Co |
| Status | ACTIVE |
| Raised Face Height | 3.0625 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE (BLIND) |
| Thickness | 0.75 INCHES NOMINAL IN |
| Bolt Circle Diameter | 4.75 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.75 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Flange Diameter | 6.0 INCHES NOMINAL IN |
| Material | STEEL COMP 304 |
| Bolt Hole Quantity | 4 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-01-620-0551 is a Flange,pipe, manufactured by Mcmaster-Carr Supply Co, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-01-620-0551 has 2 cross-referenced part numbers: 44685K16 (Mcmaster-Carr Supply Co), 101506 (Baldauf Enterprises, Inc. Dba Kerkau Manufacturing Company Div Kerkau Manufacturing).
There are 6 known substitutes for 4730-01-620-0551: 5331-00-052-6805, 5998-00-147-2941, 5977-00-379-2182 and 3 more. Verify interchangeability with system specifications before substitution.
Key specifications for 44685K16: Raised Face Height: 3.0625 INCHES NOMINAL IN; Flange Section Style: RAISED FACE (BLIND); Part Name Assigned by Controlling Agency: THREADED FORGED FLANGE; Thickness: 0.75 INCHES NOMINAL IN. 11 total characteristics are documented in the Federal Logistics Information System.