The Tee,boss, cataloged under National Stock Number 4730-00-066-1390, 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 Hiller Aircraft Corporation. Government technical data includes 18 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. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-066-1390 |
| Primary Part Number | 73150 |
| Item Name | Tee,boss |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Hiller Aircraft Corporation |
| Status | ACTIVE |
| Connection Style | GASKET SEAL (BOSS) FIRST END |
| Nominal Thread Size | 0.438 INCHES THIRD END IN |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END |
| Nominal Thread Size | 0.438 INCHES FIRST END IN |
| Thread Series Designator | UNABLE TO DECODE |
| Thread Series Designator | UNF SECOND END |
| Material Document and Classification | QQ-A-268,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL |
| Thread Class | 3B THIRD END |
| Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) FIRST END |
| Leg Length | 0.750 INCHES NOMINAL THIRD END IN |
| Leg Length | 0.620 INCHES NOMINAL FIRST END IN |
| Connection Style | GASKET SEAL (BOSS) THIRD END |
| Thread Class | 3B FIRST END |
| Connection Style | DOUBLE THREADED SECTION W/ GASKET AND LOCKNUT SEALING (BOSS) SECOND END |
| Nominal Thread Size | 0.750 INCHES SECOND END IN |
| Material | ALUMINUM ALLOY 2024 OVERALL |
| Thread Class | 3A SECOND END A |
| Leg Length | 1.380 INCHES NOMINAL SECOND END IN |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-066-1390 is a Tee,boss, manufactured by Hiller Aircraft Corporation, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-066-1390 has 2 cross-referenced part numbers: 73150 (Hiller Aircraft Corporation), 73150 (Helicopter Parts Service Inc).
There are 2 known substitutes for 4730-00-066-1390: 2910-00-070-9455, 8465-01-517-3142. Verify interchangeability with system specifications before substitution.
Key specifications for 73150: Connection Style: GASKET SEAL (BOSS) FIRST END; Nominal Thread Size: 0.438 INCHES THIRD END IN; Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF) THIRD END; Nominal Thread Size: 0.438 INCHES FIRST END IN. 18 total characteristics are documented in the Federal Logistics Information System.