The Tee,tube to Boss, cataloged under National Stock Number 4730-00-540-0448, 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 22 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. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-540-0448 |
| Primary Part Number | 303035 |
| Item Name | Tee,tube to Boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney |
| Status | ACTIVE |
| Nominal Thread Size | 0.500 INCHES FIRST END IN |
| Leg Length | 1.325 INCHES MINIMUM AND 1.350 INCHES MAXIMUM SECOND END IN |
| Thread Class | 3B FIRST END |
| Reduced Passage Nominal Inside Diameter | 0.406 INCHES FIRST END IN |
| Nominal Thread Size | 0.562 INCHES THIRD END IN |
| Leg Length | 0.688 INCHES MINIMUM AND 0.720 INCHES MAXIMUM FIRST END IN |
| Connection Type | THREADED INTERNAL BOSS FIRST END |
| Thread Class | 3A SECOND END A |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Thread Class | 3A THIRD END BULKHEAD A |
| Thread Series Designator | UNF ALL ENDS |
| Media for Which Designed | FLUID SINGLE RESPONSE |
| Material | STEEL OVERALL |
| Thread Series Designator | UNF SECOND END BULKHEAD |
| Connection Type | THREADED EXTERNAL TUBE THIRD END |
| Nominal Outside Diameter Tube Accommodated | 0.375 INCHES THIRD END IN |
| Connection Type | THREADED EXTERNAL BOSS SECOND END BULKHEAD |
| Seat Angle | 37.0 DEGREES THIRD END |
| Connection Style | FLARED (TUBE) THIRD END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Leg Length | 1.165 INCHES NOMINAL THIRD END IN |
| Nominal Thread Size | 0.500 INCHES SECOND END BULKHEAD IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-540-0448 is a Tee,tube to Boss, manufactured by Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-540-0448 has 2 cross-referenced part numbers: 303035 (Rtx Corporation Dba Pratt & Whitney Div Pratt &whitney), 303035 (Turbo Power & Marine System Inc Sub of United Technologies Corp).
There are 5 known substitutes for 4730-00-540-0448: 3120-00-288-1072, 5815-00-390-0853, 4320-00-675-6759 and 2 more. Verify interchangeability with system specifications before substitution.
Key specifications for 303035: Nominal Thread Size: 0.500 INCHES FIRST END IN; Leg Length: 1.325 INCHES MINIMUM AND 1.350 INCHES MAXIMUM SECOND END IN; Thread Class: 3B FIRST END; Reduced Passage Nominal Inside Diameter: 0.406 INCHES FIRST END IN. 23 total characteristics are documented in the Federal Logistics Information System.