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4820-01-269-9531

Pressure Relief Safety Head

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Official Item Classification

Name
Pressure Relief Safety Head
(NSN) National Stock Number
4820-01-269-9531
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
28139
(FIIG) Federal Item Identification Guide
A512U0
Date
12/24/1987 (38 years ago)

brass; thd 0.625 in. dia by 45 deg flare outlet, 0.500 in. npt inlet; union type rupture head; 3.375 in. o/a lg special features

Specs & Compatibility

Special Features

brass; thd 0.625 in. dia by 45 deg flare outlet, 0.500 in. npt inlet; union type rupture head; 3.375 in. o/a lg

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

0028139

Related Hardware Products

Part Number Description
106805 Pressure Relief Safety Head

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-269-9531?
The FSCG of the NSN 4820-01-269-9531 is 4820
Does the NSN 4820-01-269-9531 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-269-9531 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 4820-01-269-9531 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-269-9531 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 4820-01-269-9531 was assigned to the Federal Catalog?
It was assigned 38 years ago, on Thu, Dec 24, 1987