4820-00-420-8445

Valve Seat email this page

Images

Reference images of this national stock number
Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445 Reference of NSN 4820-00-420-8445

Model or part number: 1719

Pricing & Availability

Submit this form for current pricing and availability of this NSN.
Part / NSN:
Qty:
Your Email:
Phone:
Ref. / PO #:
Company:
Your Name:

We do not share or sell your information to anyone.
Privacy | Terms

All major credit cards accepted as well as gov. p-cards
Description

Valve Seat Insert NSN 4820-00-420-8445.

pdf NSN 4820-00-420-8445 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 0.185 inches and 0.195 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 0.154 inches and 0.157 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:
Between 0.066 inches and 0.070 inches
MRC:
The national stock number or the identification information of the end equipment for which the item is a part.AGAV
End Application:
16508789158, a-7d
MRC:
None.AJRF
Flange Seat To Disk End Height:
Between 0.085 inches and 0.090 inches
MRC:
None.AJRM
Under Flange Height:
Between 0.058 inches and 0.063 inches
MRC:
Indicates the type of seal accommodation included in or on the item.AJSH
Seal Accommodation Type:
Recessed
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
56.0 rockwell c and 60.0 rockwell c
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 comp 440c
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:
Ams5630 assn standard all material responses
MRC:
The metallic,nonmetallic,and/or chemical properties with which the item is plated,dipped,and/or coated.the treatment is designed to protect the surface(s) and cannot be wiped off.SFTT
Surface Treatment:
Passivate
MRC:
The specification,standard,or manufacturers reference,and the classification designation,such as type,class,grade,and the like,that identifies the surface treatment material.STDC
Surface Treatment Specification:
Mil-f-14072 military specification all treatment responses
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Plain flanged
MRC:
The justification for the assignment of a federal supply class /fsc/ to an item based on the classification of the next higher classifiable assembly.ZZZV
Fsc Application Data:
Aircraft hydraulic system
MRC:
--
NIIN:
004208445
MRC:
--
NATO Stock Number:
4820-00-420-8445
MRC:
--
Shelf Life:
N/A
MRC:
--
UOM:
--
MRC:
--
DEMIL:
No
MRC:
N/A
MIL-STD
MIL-F-14072 Spec.
FIIG:
--
FIIG:
A15500
MRC:
--
INC:
22113
MRC:
--
IMM:
AX AX
Certified products icon

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.

Quality inspections icon

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.

Quality Commitment »

Shipping icon

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.

Parts and Components for Safety Relief Valve NSN 4820-00-878-9158 Parts and components for this end application.

NSN Component Description
NSN 4820-00-420-8445 Valve Seat
NSN 4820-01-408-7017 Valve Seat
NSN 4820-01-408-7019 Valve Seat

Formal Definition

Government issue definition of NSN 4820-00-420-8445

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.

Packaging & Dimensions

MIL-STD codes: http://www.dla.mil/LandandMaritime/.../MILSTD2073Codes.aspx
Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.3000lbs
Item Weight:
--
Item Dim:
--
Container
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
LVL C
Container:
--
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
LVL_A:
Q
LVL_B:
Q
LVL_C:
CUSH
MOP
CATEG.
PRES MAT
WRAP MAT
ICQ
THK
TOS
UCL
CUSH DUN:
NA
MOP:
31
PKG:
PRES MAT:
00
WRAP MAT:
00
ICQ:
AAA
THK:
A
TOS:
UCL:

Packaging Codes Definitions:

LVL A Code (LVL_A) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with applicable specification for shipping container.

LVL B Code (LVL_B) Q

Packing shall be accomplished in accordance with table c.Ii for the packing level specified. closure, sealing and reinforcement shall be in accordance with the appropriate shipping container specification.

Procedure Indicator Code (OPI) O

Options can be exercised as to specific method of preservation or dod approved packaging materials to be used. however, basic preservation method shall be retained, supplemental data shall be complied with, and unit package dimensions shall not be increased by more than one inch. equal or better protection shall be given the item and there shall be no increase in the package cost.

Method of Preservation (MOP) 31

Waterproof bag, sealed.

Cushion Material (CUSH) NA

Ppp-c-795, cellular plastic film cushioning; or a-a-3129, open cell plastic cushioning; or ppp-c-1797, polypropylene foam cushioning; or a-a-59136, polyethylene foam cushioning.

Preservation Material (PRES_MAT) 00

No requirement.

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:
127220
NMF Description:
Pressure Reg/red/relief Valves Noi
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
593
TCC:
Z
SHC:
9
ADC:
A
ACC:
V

Freight Codes Definitions:

Cargo Type (TCC) Z

No special type of cargo code applicable.

Water Commodity (WCC) 593

Motors and parts, (machinery and parts),(less than 35 feet).

Air Commodity (ACC) V

Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing.

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.
Compare Now »
Clear | Hide