Model: MH105 FIND NO.4

Valve Seat

Properties:

Thread Class
2a first threaded portion
Thread Class
2a second threaded portion
Thread Length
0.062 inches first threaded portion
Thread Length
0.380 inches second threaded portion
Overall Height
1.250 inches
Taper Minor Diameter
0.435 inches
Taper Major Diameter
0.570 inches
Body Inside Diameter
Between 0.435 inches and 0.750 inches
End Application
1/2 inch relief valve type 1771-t
Seat Radius
0.217 inches
Seat Angle In Deg
Between 30.000 and 60.000
Thready Qty Per Inch (tpi)
16 first threaded portion
Thread Size
1.125 inches second threaded portion
Thread Size
0.687 inches first threaded portion
Seating Surface Shape
Angular
Material
Steel comp 316 seat
Material Specification
Astm a479 type 316 assn standard single material response seat
Style Designator
Double flanged
Thread Series Designator
Un first threaded portion
Thread Series Designator
Unef second threaded portion
Reference Number Differentiating Characteristics
Asdifferentiated by: part requires special material control and quality assurance, which support the non-magnetic signature of minesweepers.
NSN
4820-01-502-6865
Part Number
MH105 FIND NO.4
Description
Seat,valve
CAGE
01343

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 MH105 FIND NO.4 NSN 4820-01-502-6865

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:
051080
UFC:
29300
LTL:
RATING VARIABLE
LCL:
--
WCC:
594
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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