The Valve,check, cataloged under National Stock Number 4820-01-158-1225, is classified within Federal Supply Class 4820 (No Item Name Available) of the Valves group. The primary manufacturer of record is Haskel International, Llc Dba Haskel International, Llc. Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 11 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 4820-01-158-1225 |
| Primary Part Number | 28400 |
| Item Name | Valve,check |
| FSC / FSG | 4820 / 48 — No Item Name Available |
| Manufacturer | Haskel International, Llc Dba Haskel International, Llc |
| Status | ACTIVE |
| Connection Type | THREADED INTERNAL PIPE FIRST END |
| Disk Loading Method | SPRING |
| Connection Style | PLAIN, OPTIONAL END (PIPE) FIRST END |
| Mounting Position | HORIZONTAL OR VERTICAL |
| Flow Control Device | BALL |
| Media for Which Designed | GAS, NATURAL FIRST RESPONSE |
| Valve Operation Method | AUTOMATIC |
| Thread Series Designator | NPTF FIRST END |
| Nominal Thread Size | 1.000 INCHES FIRST END IN |
| Style Designator | STRAIGHT THRU |
| Media for Which Designed | HYDRAULIC FLUID, PETROLEUM BASE SECOND RESPONSE |
| Operating Pressure | 8000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS |
| Thread Direction | RIGHT-HAND FIRST END |
| Material | STEEL CORROSION RESISTING BODY |
| Acquisition Status | ACTIVE |
| HAZMAT | No |
NSN 4820-01-158-1225 is a Valve,check, manufactured by Haskel International, Llc Dba Haskel International, Llc, classified under FSC 4820 (No Item Name Available). Status: active.
NSN 4820-01-158-1225 has 2 cross-referenced part numbers: 28400 (Haskel International, Llc Dba Haskel International, Llc), 28400-10 (Haskel International, Llc Dba Haskel International, Llc).
There are 11 known substitutes for 4820-01-158-1225: 2530-00-115-3733, 4820-00-308-9856, 5998-00-396-1070 and 8 more. Verify interchangeability with system specifications before substitution.
Key specifications for 28400: Connection Type: THREADED INTERNAL PIPE FIRST END; Disk Loading Method: SPRING; Connection Style: PLAIN, OPTIONAL END (PIPE) FIRST END; Mounting Position: HORIZONTAL OR VERTICAL. 14 total characteristics are documented in the Federal Logistics Information System.