The Elbow,flange to Boss, cataloged under National Stock Number 4730-00-075-2770, 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 Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 1 verified substitute exists in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-075-2770 |
| Primary Part Number | 479863 |
| Item Name | Elbow,flange to Boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Bolt Circle Nominal Diameter | 2.000 INCHES FIRST END IN |
| Material | STEEL CORROSION RESISTING OVERALL |
| Connection Style | GASKET SEAL (BOSS) SECOND END |
| Nominal Length | 2.182 INCHES FIRST END IN |
| Leg Length | 1.220 INCHES NOMINAL SECOND END IN |
| Surface Treatment | CADMIUM OVERALL |
| Material Document and Classification | AMS 5022 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Leg Length | 0.553 INCHES NOMINAL FIRST END IN |
| Thread Quantity Per Inch | 12 SECOND END |
| Flow Angle | 20.0 DEGREES |
| Surface Treatment Document and Classification | AMS 2400 ASSN STD SINGLE TREATMENT RESPONSE OVERALL |
| Thread Series Designator | UN SECOND END |
| Thread Class | 3A SECOND END A |
| Bolt Hole Quantity | 3 FIRST END |
| Nominal Width | 2.182 INCHES FIRST END IN |
| Nominal Thread Size | 1.062 INCHES SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 479863 PRIMARY | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney (USA) |
NSN 4730-00-075-2770 is a Elbow,flange to Boss, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-075-2770 has 1 cross-referenced part number: 479863 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney).
There is 1 known substitute for 4730-00-075-2770: 5990-00-268-9089. Verify interchangeability with system specifications before substitution.
Key specifications for 479863: Bolt Circle Nominal Diameter: 2.000 INCHES FIRST END IN; Material: STEEL CORROSION RESISTING OVERALL; Connection Style: GASKET SEAL (BOSS) SECOND END; Nominal Length: 2.182 INCHES FIRST END IN. 16 total characteristics are documented in the Federal Logistics Information System.