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4820-01-089-9114

Safety Relief Valve

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Featured Parts

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Valve Seat
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Machine Thread Bushing
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Machine Thread Bushing
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Continuous Thread Stud
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Continuous Thread Stud
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Valve Seat

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-089-9114
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
05488
(FIIG) Federal Item Identification Guide
A046B0
Date
02/09/1980 (46 years ago)

2b all ends thread class, poppet flow control device, right-hand all ends thread direction, inside screw bonnet type, threaded bonnet attachment method

Specs & Compatibility

Thread Class

2b all ends

Thread Direction

right-hand all ends

Flow Control Device

poppet

Bonnet Type

inside screw

Bonnet Attachment Method

threaded

Disk Loading Method

spring

Maximum Operating Temp

225.0 fahrenheit single response

Connection Style

gasket seal(boss) all ends

Valve Operation Method

automatic

Connection Type

threaded internal boss all ends

Features Provided

pressure tight outlet side

Adjustable Pressure Range

+630.0 to 1020.0 pounds per square inch

Maximum Operating Pressure

3600.0 pounds per square inch single response

Nominal Thread Size

0.500 inches all ends

Material

plastic polychlorotrifluoroethylene seat

Material

steel comp 303 body

Material

steel comp 303 flow control device

Material Document And Classification

qq-s-763,class 303,cond a fed spec single material response body

Material Document And Classification

qq-s-763,class 303,cond a fed spec single material response flow control device

Media For Which Designed

oil, hydraulic single response

Style Designator

angle

Thread Series Designator

unf all ends

Regulatory Compliance

Precious Metals Indicator
U

Precious metal content is unknown

Criticality Code
X

The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Hazardous Metals Indicator
N

Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

Pseudo Item Name Code

0005488

Related Hardware Products

Part Number Description
1014-B707 Safety Relief Valve
7-863-8 Safety Relief Valve
70863-8 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-089-9114?
The FSCG of the NSN 4820-01-089-9114 is 4820
Does the NSN 4820-01-089-9114 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-089-9114 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 4820-01-089-9114 contain precious materials?
Precious metal content is unknown
Does NSN 4820-01-089-9114 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 4820-01-089-9114 was assigned to the Federal Catalog?
It was assigned 46 years ago, on Sat, Feb 9, 1980