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4820-01-043-0779

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4820-01-043-0779
(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
06/19/1977 (49 years ago)

0.991 inches nominal body outside diameter, flat seating surface shape, steel comp 303 overall material, qq-s-764 fed spec single material response overall material document and classification, 0.245 inches nominal body inside diameter

Specs & Compatibility

Body Outside Diameter

0.991 inches nominal

Body Inside Diameter

0.245 inches nominal

Seating Surface Shape

flat

Material

steel comp 303 overall

Material Document And Classification

qq-s-764 fed spec single material response overall

Style Designator

plain flanged

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

0022113

Related Hardware Products

Part Number Description
6304-13PIECE 15 Valve Seat
9065 Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4820-01-043-0779?
The FSCG of the NSN 4820-01-043-0779 is 4820
Does the NSN 4820-01-043-0779 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4820-01-043-0779 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 4820-01-043-0779 contain precious materials?
Item does not contain precious metal.
Does NSN 4820-01-043-0779 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 4820-01-043-0779 was assigned to the Federal Catalog?
It was assigned 49 years ago, on Sun, Jun 19, 1977