NSN 4820-00-021-2968 NIIN — Safety Relief Valve

National Stock number : 4820-00-021-2968

Safety Relief Valve


Available Quantity 1
Available Conditions NE
Classification Nonpowered Valves - FSC 4820
Schedule B 8481400000
Stock Check Date 02/06/2026
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

Safety Relief Valve

Nominal Pipe Size Accommodated

0.875in. 1st end

Thread Class

2a 1st end

Thread Direction

RIGHT-Hand 1st end

Flow Control Device

stem

Maximum Operating Temp

250.0 deg fahrenheit single response

Connection Style

reduced socket 2nd end

Valve Operation Method

manual

Connection Type

unthreaded internal pipe 2nd end

Thread Quantity Per Inch

14 1st end

Maximum Operating Pressure

6000.0 pounds per square inch single response

Nominal Thread Size

0.875in. 1st end ⁓1/64"

Part Name Assigned By Controlling Agency

valve, shutoff

Material

steel comp 303 stem

Material Document And Classification

aisi 30300 assn std 2nd material response stem

Style Designator

Thread Series Designator

unf 1st end

Furnished Items And Quantity

1 handle

Pricing and Availability Quote

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National Stock Number
4820-00-021-2968
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