The Valve,check, cataloged under National Stock Number 4820-00-345-8002, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Us Army Aviation and Missile Command. Government technical data includes 19 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. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-345-8002 |
| Primary Part Number | 10068907 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Us Army Aviation and Missile Command |
| Status | ACTIVE |
| Valve Operation Method | AUTOMATIC |
| Surface Treatment | PASSIVATE |
| Seat Angle | 12.0 DEGREES ALL ENDS |
| Flow Control Device | POPPET |
| Nominal Thread Size | 0.438 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Thread Series Designator | UNF ALL ENDS |
| Material | STEEL COMP 303 OVERALL |
| Thread Class | 3A ALL ENDS A |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Material Document and Classification | AISI 303 ASSN STD SINGLE MATERIAL RESPONSE OVERALL |
| Disk Loading Method | SPRING |
| Maximum Operating Temp | 85.0 FAHRENHEIT SECOND RESPONSE DEGF |
| Maximum Operating Temp | 40.0 FAHRENHEIT FIRST RESPONSE DEGF |
| Media for Which Designed | HYDRAULIC FLUID, MINERAL BASE SINGLE RESPONSE |
| Operating Pressure | 10000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Connection Type | THREADED EXTERNAL TUBE ALL ENDS |
| Connection Style | FLARELESS ALL ENDS |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-345-8002 is a Valve,check, manufactured by Us Army Aviation and Missile Command, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-345-8002 has 2 cross-referenced part numbers: 1-1162-2 (Teledyne Industries Inc Teledyne Fluid Systems Republic Business Unit), 10068907 (Us Army Aviation and Missile Command).
There are 4 known substitutes for 4820-00-345-8002: 5895-00-004-7473, 4730-00-734-0665, 4730-00-909-8627 and 1 more. Verify interchangeability with system specifications before substitution.
Key specifications for 10068907: Valve Operation Method: AUTOMATIC; Surface Treatment: PASSIVATE; Seat Angle: 12.0 DEGREES ALL ENDS; Flow Control Device: POPPET. 19 total characteristics are documented in the Federal Logistics Information System.