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4810-01-078-4561

Valve Seat

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Official Item Classification

Name
Valve Seat
(NSN) National Stock Number
4810-01-078-4561
(FSG) Federal Supply Group
48 Valves
(FSC) Federal Supply Classification
4810 Powered Valves
(INC) Item Name Code
22113
(FIIG) Federal Item Identification Guide
A15500
Date
06/13/1979 (47 years ago)

0.156 inches nominal flange seat to disk end height, 0.166 inches nominal body inside diameter, 0.281 inches nominal single threaded portion thread length, 3a single threaded portion thread class, 0.875 inches nominal flange diameter

Specs & Compatibility

Thread Class

3a single threaded portion

Thread Length

0.281 inches nominal single threaded portion

Flange Diameter

0.875 inches nominal

Body Inside Diameter

0.166 inches nominal

Flange Seat To Disk End Height

0.156 inches nominal

Under Flange Height

0.469 inches nominal

Thread Quantity Per Inch

28 single threaded portion

Nominal Thread Size

0.750 inches single threaded portion

Seating Surface Shape

flat

Criticality Code Justification

cqkm

Material

steel comp 304 overall

Material Document And Classification

qq-s-763 fed spec single material response overall

Style Designator

threaded flanged

Thread Series Designator

un single threaded portion

Regulatory Compliance

Precious Metals Indicator
A

Item does not contain precious metal.

Criticality Code
F

The item is an aviation critical safety item/flight safety critical aircraft part (acsi/fscap).

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
5019B Valve Seat

Frequently Asked Questions

What is the FSCG of the NSN 4810-01-078-4561?
The FSCG of the NSN 4810-01-078-4561 is 4810
Does the NSN 4810-01-078-4561 have a Schedule B code assigned?
Yes, the Schedule B code is 8481909090
Does NSN 4810-01-078-4561 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 4810-01-078-4561 contain precious materials?
Item does not contain precious metal.
Does NSN 4810-01-078-4561 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 4810-01-078-4561 was assigned to the Federal Catalog?
It was assigned 47 years ago, on Wed, Jun 13, 1979