The Valve,restrictor Check, cataloged under National Stock Number 4820-01-013-1479, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Crissair Inc Div Esco Technologies. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 8 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 9 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-013-1479 |
| Primary Part Number | 9R3302 |
| Item Name | Valve,restrictor Check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Crissair Inc Div Esco Technologies |
| Status | ACTIVE |
| Disk Loading Method | SPRING |
| Nominal Thread Size | 0.713 INCHES SECOND END IN |
| Thread Quantity Per Inch | 18 FIRST END |
| Connection Style | PLAIN (TUBE) ALL ENDS |
| Thread Quantity Per Inch | 20 SECOND END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Aperture Diameter | 0.125 INCHES NOMINAL IN |
| Material | STEEL OVERALL |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Media for Which Designed | OIL, HYDRAULIC SINGLE RESPONSE |
| Nominal Thread Size | 0.839 INCHES FIRST END IN |
| Thread Class | 2A ALL ENDS A |
| Style Designator | STRAIGHT THRU |
| Flow Control Device | POPPET |
| Thread Series Designator | UNS ALL ENDS |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 7M845-2 | Crissair Inc Div Esco Technologies (USA) |
| 5590-137 | The Boeing Company Div Defense (USA) |
| 7M845-2 | Preece Inc Decca Valves Div (USA) |
| 7M845-2 | The Boeing Company Div Defense (USA) |
| 68B690101-137 | The Boeing Company Div Defense (USA) |
| 5590 | The Boeing Company Div Defense (USA) |
| 5590-137 | The Boeing Company (USA) |
| 9R3302 PRIMARY | Crissair Inc Div Esco Technologies (USA) |
NSN 4820-01-013-1479 is a Valve,restrictor Check, manufactured by Crissair Inc Div Esco Technologies, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-013-1479 has 8 cross-referenced part numbers: 7M845-2 (Crissair Inc Div Esco Technologies), 5590-137 (The Boeing Company Div Defense), 7M845-2 (Preece Inc Decca Valves Div), 7M845-2 (The Boeing Company Div Defense), 68B690101-137 (The Boeing Company Div Defense) and 3 more.
There are 9 known substitutes for 4820-01-013-1479: 8110-00-030-7780, 3110-00-100-6186, 5930-00-507-8324 and 6 more. Verify interchangeability with system specifications before substitution.
Key specifications for 9R3302: Disk Loading Method: SPRING; Nominal Thread Size: 0.713 INCHES SECOND END IN; Thread Quantity Per Inch: 18 FIRST END; Connection Style: PLAIN (TUBE) ALL ENDS. 17 total characteristics are documented in the Federal Logistics Information System.