The Flange,pipe, cataloged under National Stock Number 4730-01-023-7771, 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 Naval Ship Systems Command. Government technical data includes 18 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 14 commercial cross-references from 8 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.
| Parameter | Value |
|---|---|
| NSN | 4730-01-023-7771 |
| Primary Part Number | 514-4645322 ITEM FL2 |
| Item Name | Flange,pipe |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Naval Ship Systems Command |
| Status | CANCELLED |
| Neck Height | 0.062 INCHES NOMINAL IN |
| Socket Depth | 0.500 INCHES NOMINAL IN |
| Style Designator | ROUND, ONE BOLT HOLE CIRCLE |
| Specification/standard Data | 80204-B16.5 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD |
| Flange Diameter | 4.250 INCHES NOMINAL IN |
| Nominal Pipe Size for Which Designed | 1.000 INCHES IN |
| Raised Face Height | 0.062 INCHES NOMINAL IN |
| Bolt Hole Quantity | 4 |
| Material | STEEL |
| Socket Diameter | 1.360 INCHES NOMINAL IN |
| Raised Face Diameter | 2.000 INCHES NOMINAL IN |
| Bolt Hole Diameter | 0.625 INCHES NOMINAL IN |
| Thickness | 0.500 INCHES NOMINAL IN |
| Nondefinitive Spec/std Data | 8 TABLE |
| Face Seating Surface Condition | MACHINED |
| Bolt Circle Diameter | 3.120 INCHES NOMINAL IN |
| Flange Section Style | RAISED FACE, SOCKET NECK |
| Material Document and Classification | ASTM A105 ASSN STD SINGLE MATERIAL RESPONSE |
| Acquisition Status | CANCELLED |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 514-4645322 ITEM FL2 | Naval Ship Systems Command (USA) |
| ASTM A105 | American Society for Testing and Materials Dba Astm International (USA) |
| 20-1 ASTMA-105 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| ASTMA105 20-1 | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| M18180/2-03A01 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| B16.5 1 IN | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 20-1 IN | Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy (USA) |
| B16.5 | American National Standards Institute Incorporated Dba American National Standards Institute (USA) |
| 29512 | Crane Co Midwest Fittings Div (USA) |
| MIL-F-18180 | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| SW-7182-1 | Flowserve Inc (USA) |
| 514-4645322 | Naval Ship Systems Command (USA) |
| M1818012-03A01D | Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M |
| 12-00-3727 | Electric Boat Corporation Div General Dynamics Electric Boat (USA) |
NSN 4730-01-023-7771 is a Flange,pipe, manufactured by Naval Ship Systems Command, classified under FSC 4730 (No Item Name Available). Status: cancelled.
NSN 4730-01-023-7771 has 14 cross-referenced part numbers: 514-4645322 ITEM FL2 (Naval Ship Systems Command), ASTM A105 (American Society for Testing and Materials Dba Astm International), 20-1 ASTMA-105 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), ASTMA105 20-1 (Ati Ladish Llc Dba Ati Wah Chang Div Ati Forged Products - Cudahy), M18180/2-03A01 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M) and 9 more.
There are 9 known substitutes for 4730-01-023-7771: 4730-00-083-8769, 4310-00-371-6610, 9540-00-595-8549 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 514-4645322 ITEM FL2: Neck Height: 0.062 INCHES NOMINAL IN; Socket Depth: 0.500 INCHES NOMINAL IN; Style Designator: ROUND, ONE BOLT HOLE CIRCLE; Special Features: FLANGES CONFORM TO ASA STANDARD B16.5. 19 total characteristics are documented in the Federal Logistics Information System.
NSN 4730-01-023-7771 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.