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4820-01-467-0743

Safety Relief Valve

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Official Item Classification

Name
Safety Relief Valve
(NSN) National Stock Number
4820-01-467-0743
(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
08/12/1999 (27 years ago)

automatic valve operation method, 8 2nd end bolt hole quantity, round with holes 1st end flange shape, nimitz class cvn end item identification, 8 1st end bolt hole quantity

Specs & Compatibility

Bolt Hole Quantity

8 1st end

Bolt Hole Quantity

8 2nd end

End Item Identification

nimitz class cvn

Valve Operation Method

automatic

Flange Shape

round with holes 1st end

Flange Shape

round with holes 2nd end

Connection Type

flange 1st end

Connection Type

flange 2nd end

Valve Size

4.000 inches

Nominal Outside Diameter

11.000 inches 1st end

Nominal Outside Diameter

9.000 inches 2nd end

Nominal Thickness

0.6875 inches 1st end

Nominal Thickness

0.6875 inches 2nd end

First Connection Face To Centerline Distance

9.000 inches

Bolt Hole Nominal Diameter

0.750 inches 2nd end

Bolt Hole Nominal Diameter

0.750 inches 1st end

Second Connection Face To Centerline Distance

11.000 inches

Bolt Circle Nominal Diameter

7.500 inches 2nd end

Bolt Circle Nominal Diameter

9.500 inches 1st end

Flange Face Design

plain 1st end

Flange Face Design

plain 2nd end

Special Features

used for hydraulic fluid service

Material

steel stem

Material

steel uns j03002 body

Surface Treatment

chromate

Style Designator

angle flanged ends

Supplementary Features

this item has been reviewed for asbestos material. the current approved source, 15187, has indicated their part number contained asbestos prior to 1984. they continue to manufacture the same part number without asbestos material after 1984

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

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
D0-10M 110 PSI SET Safety Relief Valve
D010M 4X6IN 106T131PSI Safety Relief Valve
D010M 4X6IN 108 Safety Relief Valve
NMP-1068 D010M 110PSI SET Safety Relief Valve

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-467-0743?
The FSCG of the NSN 4820-01-467-0743 is 4820
Does the NSN 4820-01-467-0743 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-01-467-0743 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 4820-01-467-0743 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-467-0743 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 4820-01-467-0743 was assigned to the Federal Catalog?
It was assigned 27 years ago, on Thu, Aug 12, 1999