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391 2983 005 Valve Seat

4820-00-834-0856

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Official Item Classification

Name
Valve Seat
Part Number
391 2983 005
(NSN) National Stock Number
4820-00-834-0856
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4820 Nonpowered Valves
(INC) Item Name Code
22113
(FIIG) Federal Item Identification Guide
A15500
Date
09/13/1967 (58 years ago)

1.000 inches nominal flange diameter, 0.564 inches nominal body inside diameter, 0.815 inches nominal body outside diameter, 0.312 inches nominal under flange height, 30.000 nominal seat angle in deg

Specs & Compatibility

Flange Diameter

1.000 inches nominal

Body Outside Diameter

0.815 inches nominal

Body Inside Diameter

0.564 inches nominal

Under Flange Height

0.312 inches nominal

Seat Angle In Deg

30.000 nominal

Hardness Rating

55.0 rockwell c minimum and 60.0 rockwell c maximum body

Seating Surface Shape

angular

Material

steel comp 4150 overall

Style Designator

plain flanged

Replacement For

Part Number Description
5330-01-382-8949 No Name Available 09/01/2004

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

0022113

Related Hardware Products

Part Number Description
391 2983 005 Valve Seat
LA1530 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-00-834-0856?
The FSCG of the NSN 4820-00-834-0856 is 4820
Does the NSN 4820-00-834-0856 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-00-834-0856 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 4820-00-834-0856 contain precious materials?
Precious metal content is unknown
Does NSN 4820-00-834-0856 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 4820-00-834-0856 was assigned to the Federal Catalog?
It was assigned 58 years ago, on Wed, Sep 13, 1967