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101B341AA1 Safety Relief Valve

4820-00-958-8565

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Official Item Classification

Name
Safety Relief Valve
Part Number
101B341AA1
(NSN) National Stock Number
4820-00-958-8565
(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
01/01/1962 (64 years ago)

right-hand 2nd end thread direction, right-hand 1st end thread direction, inside spring bonnet type, bolted bonnet attachment method, disk flow control device

Specs & Compatibility

Thread Direction

right-hand 1st end

Thread Direction

right-hand 2nd end

Flow Control Device

disk

Bonnet Type

inside spring

Bonnet Attachment Method

bolted

Disk Loading Method

spring

Renewable Seat Ring Type

threaded

Connection Style

plain (pipe) 2nd end

Connection Style

plain,optional end(pipe) 1st end

Valve Operation Method

manual

Connection Type

threaded external pipe 2nd end

Connection Type

threaded internal pipe 1st end

Features Provided

pressure tight outlet side

Nominal Thread Size

0.750 inches 2nd end

Nominal Thread Size

1.000 inches 1st end

Opening Pressure Setting

325.0 pounds per square inch

Material

copper alloy seat

Material

copper alloy stem

Material

iron cast body

Material

steel flow control device

Style Designator

angle

Thread Series Designator

npt 2nd end

Thread Series Designator

npt 1st end

Reference Number Differentiating Characteristics

as differntiated by size and preset pressure setting

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
101B341AA1 Safety Relief Valve
11W200 Safety Relief Valve
11W200-75954 Safety Relief Valve
EIFE-DZJAM11 Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-958-8565?
The FSCG of the NSN 4820-00-958-8565 is 4820
Does the NSN 4820-00-958-8565 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-958-8565 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 4820-00-958-8565 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-958-8565 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 4820-00-958-8565 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962