The Restrictor Unit,fluid Flow, cataloged under National Stock Number 4730-00-959-9855, 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 Marotta Controls Inc. Government technical data includes 8 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4730-00-959-9855 |
| Primary Part Number | 221111 |
| Item Name | Restrictor Unit,fluid Flow |
| FSC / FSG | 4730 / 47 — No Item Name Available |
| Manufacturer | Marotta Controls Inc |
| Status | ACTIVE |
| Design Type | STRAIGHT |
| Diameter | 0.562 INCHES NOMINAL IN |
| Orifice Diameter | 0.031 INCHES NOMINAL IN |
| Material | STEEL CORROSION RESISTING SCREENING |
| Valve Size | 0.250 INCHES IN |
| Material | STEEL CORROSION RESISTING BODY |
| Strainer Type and Quantity | 1 SCREEN |
| End Connection Similarity | NOT IDENTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 221111 PRIMARY | Marotta Controls Inc (USA) |
NSN 4730-00-959-9855 is a Restrictor Unit,fluid Flow, manufactured by Marotta Controls Inc, classified under FSC 4730 (No Item Name Available). Status: active.
NSN 4730-00-959-9855 has 1 cross-referenced part number: 221111 (Marotta Controls Inc).
There are 3 known substitutes for 4730-00-959-9855: 6110-00-635-8521, 4820-01-192-6791, 5935-01-429-3257. Verify interchangeability with system specifications before substitution.
Key specifications for 221111: Design Type: STRAIGHT; Overall Length: 0.962 INCHES NOMINAL IN; Diameter: 0.562 INCHES NOMINAL IN; Orifice Diameter: 0.031 INCHES NOMINAL IN. 9 total characteristics are documented in the Federal Logistics Information System.