Part Number 255-03

Valve Seat
Stock Availability  condition code chart

Part number 255-03 is in stock in the following quantities and conditions.

  • NE: 102
  • NS: 1
  • SV: 1

Note: Availability of this item was last updated 12/11/2023 and may have changed since then. Request a quote for up to date pricing and availability.

Pricing & Availability

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Part Number
DEMIL
Shelf Life
UOM
NIIN
Part:
255-03
Demil:
No
Shelf Life:
UOM:
NIIN:
012143808

Part Information
Lower seat

NSN
National Stock Number:
4820-01-214-3808 4820012143808
TXT
Description:
Valve Seat
INC
INC
Item Name Code:
22113
MRC:
A numeric-alpha designator indicating the pitch diameter tolerance and an external or internal thread.AAJD
Thread Class:
3a single threaded portion
MRC:
A measurement of the extent of threads,including incomplete threads,along a line parallel to the longitudinal axis.AASA
Thread Length:
0.172 inches single threaded portion
MRC:
The length of a straight line which passes through the center of a flange,and terminates at the circumference.ABKK
Flange Diameter:
1.750 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:
1.375 inches
MRC:
None.AJRF
Flange Seat To Disk End Height:
0.188 inches
MRC:
None.AJRM
Under Flange Height:
0.250 inches
MRC:
The number of threads on the item per linear inch measured on a line parallel to the thread axis.CMLP
Thready Qty Per Inch (tpi):
18 single threaded portion
MRC:
A numeric value that reflects the hardness of an item when used in conjunction with a hardness rating scale.CQFM
Hardness Rating:
Not rated
MRC:
A designation that is used for the purpose of general identification of the thread.CQJX
Thread Size:
1.625 inches single threaded portion
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:
Stainless 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:
Qq-s-763 federal specification single material response
MRC:
The style designation indicating the configuration that most nearly corresponds to the appearance of the item.STYL
Style Designator:
Threaded flanged
MRC:
A designation distinguishing one group of thread diameter-pitch combinations from another by the number of threads per measurement scale for a specific diameter.THSD
Thread Series Designator:
Un single threaded portion

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