The Valve,check, cataloged under National Stock Number 4820-00-020-2786, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Howell Laboratories Inc Dba Howell Laboratories Inc. Government technical data includes 12 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 | 4820-00-020-2786 |
| Primary Part Number | 2008 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Howell Laboratories Inc Dba Howell Laboratories Inc |
| Status | ACTIVE |
| Flow Control Device | DISK |
| Thread Direction | RIGHT-HAND ALL ENDS |
| Thread Series Designator | UN ALL ENDS |
| Material | ALUMINUM ALLOY BODY |
| Nominal Thread Size | 0.313 INCHES ALL ENDS IN |
| Thread Quantity Per Inch | 20 ALL ENDS |
| Nominal Outside Diameter Tube Accommodated | 0.125 INCHES ALL ENDS IN |
| Style Designator | STRAIGHT THRU |
| Thread Class | 2B ALL ENDS |
| Connection Style | FLARE (TUBE) ALL ENDS |
| Valve Operation Method | AUTOMATIC |
| Disk Loading Method | SPRING |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-00-020-2786 is a Valve,check, manufactured by Howell Laboratories Inc Dba Howell Laboratories Inc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-00-020-2786 has 2 cross-referenced part numbers: 2008 (Howell Laboratories Inc Dba Howell Laboratories Inc), 202-104 (Altec Air, Llc Dba Altec Llc).
There are 3 known substitutes for 4820-00-020-2786: 3020-00-137-6779, 5935-00-826-1148, 5975-01-017-5968. Verify interchangeability with system specifications before substitution.
Key specifications for 2008: Flow Control Device: DISK; Thread Direction: RIGHT-HAND ALL ENDS; Thread Series Designator: UN ALL ENDS; Material: ALUMINUM ALLOY BODY. 13 total characteristics are documented in the Federal Logistics Information System.