The Valve,check, cataloged under National Stock Number 4820-00-856-4509, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-00-856-4509 |
| Primary Part Number | 8148650 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force |
| Status | ACTIVE |
| Connection Type | THREADED EXTERNAL TUBE FIRST END |
| Flow Control Device | BALL |
| Nominal Outside Diameter Tube Accommodated | 0.312 INCHES FIRST END IN |
| Thread Class | 3A FIRST END A |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | AIR SINGLE RESPONSE |
| Material | ALUMINUM ALLOY BODY |
| Operating Pressure | 1800.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Material | ALUMINUM ALLOY SEAT |
| Disk Loading Method | SPRING |
| Thread Direction | RIGHT-HAND FIRST END |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
| Part Number | Manufacturer |
|---|---|
| 8148650 | Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force (USA) |
| 20C-0004-10 | Essex Industries, Inc. Dba Essex Industries (USA) |
| 6025-5 | American Safety Flight Systems Inc (USA) |
| 6025-5 | Conax Florida Corporation (USA) |
NSN 4820-00-856-4509 is a Valve,check, manufactured by Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-856-4509 has 4 cross-referenced part numbers: 8148650 (Air Force United States Department of the Dba Tinker Afb Oc Alc Dsp Div Department of the Air Force), 20C-0004-10 (Essex Industries, Inc. Dba Essex Industries), 6025-5 (American Safety Flight Systems Inc), 6025-5 (Conax Florida Corporation).
There are 2 known substitutes for 4820-00-856-4509: 5331-00-823-4883, 5305-01-549-7207. Verify interchangeability with system specifications before substitution.
Key specifications for 8148650: Connection Type: THREADED EXTERNAL TUBE FIRST END; Flow Control Device: BALL; Nominal Outside Diameter Tube Accommodated: 0.312 INCHES FIRST END IN; Thread Class: 3A FIRST END A. 11 total characteristics are documented in the Federal Logistics Information System.