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178779 Safety Relief Valve

4820-00-826-6465

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Official Item Classification

Name
Safety Relief Valve
Part Number
178779
(NSN) National Stock Number
4820-00-826-6465
(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)

howitzer,light towed;105-mm,m102,1015-00-086-8164 end item identification, automatic valve operation method, poppet flow control device, right-hand 1st end thread direction, plain (pipe) 1st end connection style

Specs & Compatibility

Thread Direction

right-hand 1st end

Flow Control Device

poppet

End Item Identification

howitzer,light towed;105-mm,m102,1015-00-086-8164

Connection Style

plain (pipe) 1st end

Valve Operation Method

automatic

Connection Type

threaded external pipe 1st end

Nominal Thread Size

0.125 inches 1st end

Opening Pressure Setting

0.5 pounds per square inch

Material

steel overall

Style Designator

straight thru

Thread Series Designator

ptf-spl short 1st end

Replacement For

Part Number Description
4730-00-097-1541 No Name Available 06/18/1969
4730-00-404-2783 No Name Available 11/10/1969
4730-00-540-1411 No Name Available 08/19/1970
4820-00-622-4370 No Name Available 08/01/1983
4730-00-684-5093 No Name Available 08/14/1972

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

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Frequently Asked Questions

What is the FSCG of the NSN 4820-00-826-6465?
The FSCG of the NSN 4820-00-826-6465 is 4820
Does the NSN 4820-00-826-6465 have a Schedule B code assigned?
Yes, the Schedule B code is 8481400000
Does NSN 4820-00-826-6465 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 4820-00-826-6465 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-826-6465 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 4820-00-826-6465 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962