NSN 4820-01-075-6204 NIIN — Safety Relief Valve

National Stock number : 4820-01-075-6204

Safety Relief Valve


Available Quantity 2
Available Conditions NS NE
Classification Nonpowered Valves - FSC 4820
Schedule B 8481400000
Stock Check Date 05/19/2026
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

Thread Class

3a all ends

Thread Direction

RIGHT-Hand all ends

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

integral

Disk Loading Method

spring

Maximum Operating Temp

85.0 deg celsius single response

Connection Style

G46B plain (pipe) all ends

Valve Operation Method

automatic

Connection Type

threaded external tube all ends

Thread Quantity Per Inch

20 all ends

Adjustable Pressure Range

+85.0/+90.0 pounds per square inch

Maximum Operating Pressure

200.0 pounds per square inch single response

Nominal Thread Size

0.437in. all ends ⁓7/16"

Material

aluminum alloy 2024 body

Surface Treatment

anodize

Surface Treatment Document And Classification

MIL-A-8625, ty 1 mil spec single treatment response

Style Designator

Thread Series Designator

unjf all ends

Pricing and Availability Quote

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National Stock Number
4820-01-075-6204
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