4820-00-091-4261

Valve Seat email this page
ITAR Registered

Images

Reference images of this national stock number
Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261 Reference of NSN 4820-00-091-4261

Model or part number: 21935

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Description

Valve Seat Insert NSN 4820-00-091-4261.

pdf NSN 4820-00-091-4261 Datasheet

MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
Between 0.434 inches and 0.435 inches
MRC:
The length of a straight line which passes through the center of the body,and terminates at the outside circumference.ADAR
Body Outside Diameter:
Between 0.324 inches and 0.326 inches
MRC:
The length of a straight line which passes through the center of a body,and terminates at the inside circumference.ADAS
Body Inside Diameter:
0.187 inches
MRC:
None.AJRF
Flange Seat To Disk End Height:
0.065 inches
MRC:
None.AJRM
Under Flange Height:
0.090 inches
MRC:
The physical configuration of the surface of the seat.CQKM
Seating Surface Shape:
Flat
MRC:
The chemical compound or mechanical mixture properties of which the item is fabricated.MATT
Material:
Steel
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as class,condition,temper,and the like,that identifies the material.MDCL
Material Specification:
Mil-s-7420 cond c military specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain flanged
MRC:
--
NIIN:
000914261
MRC:
--
NATO Stock Number:
4820-00-091-4261
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
Yes - DEMIL/MLI
Export Control Information  
MRC:
N/A
MIL-STD
MIL-S-7420 Spec.
FIIG:
--
FIIG:
A15500
MRC:
--
INC:
22113
MRC:
--
IMM:
AX AX
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All Products Certified

Factory New, New Material, New Surplus, Overhauled, Serviceable, Repairable, and AS Removed / Used material will be accompanied by a Certificate of Conformance, and any other documents/trace when applicable. We have a 7 year record retention.

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Quality | ISO 9001:2015 + AS9120B

We are committed to quality and follow an AS9120 quality management system. AeroBase Group is HAZMAT certified and registered with DDTC, ITAR, and Aviation Suppliers Association (ASA). All products are 100% inspected.

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Shipping

Delivery of IN-STOCK orders ship same-day when order is placed before 2:00 PM EST.

Delivery dates for NON-STOCK items are estimates based on current backlog and are subject to confirmation at the time of order.

Formal Definition

Government issue definition of NSN 4820-00-091-4261

A replaceable item designed to provide a stationary seating surface for a mating, moveable item such as a valve disk or the like. The body may have a flange of various shapes. For diesel and gasoline reciprocating engines, see insert, engine valve seat.

Import / Export

Schedule B Classification
Schedule B Number
NAIC National Association of Insurance Commissioners
End Use A classification system for U.S. exported and imported merchandise based on principal use rather than the physical characteristics of the merchandise. End-Use codes are assigned by the Bureau of Economic Analysis under the U.S. Department of Commerce.
SITC Commodity classification system defined by the United Nations.
USDA
HITECH
Schedule B:
8481909090
NAICS:
332911
End Use Class:
21180
SITC:
74790
USDA:
1
HITECH:
0

Schedule B Codes Definitions:

Schedule B 8481909090

Parts Of Taps, Cocks, Valves and Similar Appliances, Nesoi

End Use Code 21180

Industrial Machines, Other

Standard Intl. Trade Class (SITC) 74790

Parts For Taps, Cocks, Valves and Similar Appliances For Pipes, Boiler Shells, Tanks, Etc.

Freight

Universal / National freight and handling information
NMFC
Class
UFC
LTL
LCL
WCC
TCC
SHC
ADC
ACC
NMFC:
194160
NMF Description:
Iron Or Steel Washer Or Gaskets
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ADC:
A
ACC:
B

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 713

Metal hardware.

Air Commodity (ACC) B

Construction materials: includes paint and related materials, prefabricated building, wood products, metal and composition mater.

Air Dimensions (ADC) A

Shipment is not a consolidation and does not exceed 84 inches in any dimension.

Air Special Handling (SHC) 9

Other or no special handling required (sh)

Manufacturers

This NSN is registered to the following cage codes.
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