Model: 1261A100

Valve Seat

Properties:

Flange Diameter
Between 5.775 inches and 5.776 inches
Body Outside Diameter
4.560 inches
Body Inside Diameter
3.438 inches
Seat Radius
0.180 inches
Flange Seat To Disk End Height
1.060 inches
Under Flange Height
1.320 inches
Seating Surface Shape
Radial
Material
Rod, welding, surfacing face
Material
Steel body
Material Specification
Mil-r-17131, type mil-rcocr-a military specification single material response face
Material Specification
Mil-s-18410, class a military specification single material response body
Style Designator
Plain flanged
NSN
4820-00-571-3734
Part Number
1261A100
Description
Seat,valve
CAGE
07586

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.

Part 1261A100 NSN 4820-00-571-3734

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22113
FIIG:
A15500
Concept No.:
App. Key:
A
Cond. Code:
2
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
095190
UFC:
49790
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8481909090
  • SITC: 74790
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Parts of taps, cocks, valves and similar appliances, nesoi

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