The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-328-3339, 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 Pti Technologies Inc.. 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-328-3339 |
| Primary Part Number | 50754 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Pti Technologies Inc. |
| Status | ACTIVE |
| Width Across Flats | 1.000 INCHES NOMINAL IN |
| End Connection Component Type and Size for Which Designed | 3/8 IN. OD TUBE IN |
| Strainer Type and Quantity | 2 FILTER |
| Valve Size | 0.562 INCHES IN |
| Material | STEEL CORROSION RESISTING FILTER |
| Thread Class | 3B LOCATION NOT OTHERWISE SPECIFIED |
| FSC Application Data | HYDRAULIC SYSTEM. B-57 AIRCRAFT. |
| Design Type | STRAIGHT |
| Thread Size Designator | 9/16-18 LOCATION NOT OTHERWISE SPECIFIED |
| Orifice Diameter | 0.025 INCHES NOMINAL IN |
| End Connection Type | THREADED FEMALE, GASKET SEAL LOCATION NOT OTHERWISE SPECIFIED |
| Operating Temp Range | -65.0 TO 160.0 FAHRENHEIT DEGF |
| End Connection Similarity | IDENTICAL |
| Thread Series | UNF LOCATION NOT OTHERWISE SPECIFIED |
| Pressure Rating | 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL LBS |
| Diameter | 0.875 INCHES NOMINAL IN |
| Thread Direction | RIGHT-HAND LOCATION NOT OTHERWISE SPECIFIED |
| Material | ALUMINUM BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4730-00-328-3339 is a Restrictor Unit,fluid Flow, manufactured by Pti Technologies Inc., classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-328-3339 has 2 cross-referenced part numbers: 50754 (Pti Technologies Inc.), 50754 (Arvinmeritor Inc).
There are 3 known substitutes for 4730-00-328-3339: 4820-00-670-4158, 5315-00-869-5121, 8120-01-512-8180. Verify interchangeability with system specifications before substitution.
Key specifications for 50754: Width Across Flats: 1.000 INCHES NOMINAL IN; End Connection Component Type and Size for Which Designed: 3/8 IN. OD TUBE IN; Strainer Type and Quantity: 2 FILTER; Valve Size: 0.562 INCHES IN. 19 total characteristics are documented in the Federal Logistics Information System.