The Head,fluid Filter, cataloged under National Stock Number 1650-00-758-8765, is classified within Federal Supply Class 1650 (No Item Name Available) of the Aircraft Components and Accessories group. The primary manufacturer of record is Tactair Fluid Controls Inc. Government technical data includes 24 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 1650-00-758-8765 |
| Primary Part Number | 2373-1 |
| Item Name | Head,fluid Filter |
| FSC / FSG | 1650 / 16 — No Item Name Available |
| Manufacturer | Tactair Fluid Controls Inc |
| Status | ACTIVE |
| Inlet Nominal Thread Size | 0.437 INCHES IN |
| Inlet Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Inlet Thread Quantity Per Inch | 20 |
| Outlet Thread Class | 3B |
| Mounting Bolt Hole | PROVIDED |
| Filter Element | NOT INCLUDED |
| Material | ALUMINUM ALLOY 2024 |
| Outlet Thread Direction | RIGHT-HAND |
| Inlet Port Type | THREADED FEMALE, PLAIN |
| Bowl Mounting Hole Diameter | 0.923 INCHES MINIMUM AND 0.931 INCHES MAXIMUM IN |
| Material Document and Classification | QQ-A-225/6 FED SPEC SINGLE MATERIAL RESPONSE |
| Outlet Thread Quantity Per Inch | 20 |
| FSC Application Data | AIRCRAFT HYDRAULIC FILTER |
| Usage Design | ONE SEDIMENT BOWL |
| Mounting Method | THREAD BOWL |
| Outlet Thread Series Designator | UNIFIED NATIONAL JOINT FINE (UNJF) |
| Outlet Port Type | THREADED FEMALE, PLAIN |
| Hole Diameter | 0.197 INCHES MINIMUM AND 0.207 INCHES MAXIMUM IN |
| Inlet Thread Class | 3B |
| Outlet Nominal Thread Size | 0.437 INCHES IN |
| Valve | NOT INCLUDED |
| Bolt Circle Diameter | 1.240 INCHES MINIMUM AND 1.260 INCHES MAXIMUM IN |
| Thread Direction | RIGHT-HAND INLET |
| Quantity | 2 |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 1650-00-758-8765 is a Head,fluid Filter, manufactured by Tactair Fluid Controls Inc, classified under FSC 1650 (No Item Name Available). Status: active.
NSN 1650-00-758-8765 has 3 cross-referenced part numbers: 2373-1 (Kaiser Fluid Technologies Inc.), 2373-1 (Tactair Fluid Controls Inc), 2373-1 (Hawker Pacific Aerospace Landing Gear and Components Mfg and Repair).
There are 4 known substitutes for 1650-00-758-8765: 2910-00-139-4972, 2945-00-148-6672, 3110-00-158-6216 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 2373-1: Inlet Nominal Thread Size: 0.437 INCHES IN; Inlet Thread Series Designator: UNIFIED NATIONAL JOINT FINE (UNJF); Inlet Thread Quantity Per Inch: 20; Outlet Thread Class: 3B. 27 total characteristics are documented in the Federal Logistics Information System.