NSN 4820-00-991-8242 NIIN — Check Valve

National Stock number : 4820-00-991-8242

Check Valve


Available Quantity 22
Available Conditions NS AR NE
Classification Nonpowered Valves - FSC 4820
Schedule B 8481302090
Stock Check Date 08/27/2025
Part-Number.info Quality System
  •   ISO 9001:2015 + AS9120B Certifed
  •   Audited supply chain
  •   Counterfeit Parts Prevention
  •   100% Product Inspections
  •   7 Year Record Retention
  •   HAZMAT Certified
  •   ITAR and DDTC Registered
AS9120 Certified Supplier

Product Properties


Description

Check Valve

Thread Direction

RIGHT-Hand all ends

Flow Control Device

poppet

Disk Loading Method

spring

Maximum Operating Temp

250.0 deg fahrenheit 2nd response

Connection Style

plain, optional end (pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded internal pipe all ends

Mounting Position

horizontal or vertical

Maximum Operating Pressure

5000.0 pounds per square inch single response

Nominal Thread Size

0.250in. all ends ⁓1/4"

Special Features

other media utilized: alcohol, ethylene glycol, freon 12, gasoline, helium, hydrogen, hydraulic fluid (mineral base) , lube oil, natural gas, nitrogen, water; cracking pressure 2 - 4 psi

Material

steel comp 416 body

Material Document And Classification

ASIS416 assn std single material response

Media For Which Designed

carbon dioxide 5th response

Style Designator

straight thru

Test Data Document

81349-MIL-S-51173 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.) .

Thread Series Designator

npt all ends

Pricing and Availability Quote

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National Stock Number
4820-00-991-8242
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