Model: PNS177-4PC2

Valve Seat

Properties:

Thread Class
2a single threaded portion
Flange Diameter
1.538 inches
Flange Seat To Disk End Height
0.406 inches
Under Flange Height
0.344 inches
Seat Angle In Deg
0.617
Thready Qty Per Inch (tpi)
16 single threaded portion
Thread Size
1.306 inches single threaded portion
Seating Surface Shape
Angular
Body Stepped Inside Diameter
0.938 inches second step
Body Stepped Inside Diameter
1.156 inches first step
Material
Cobalt-chromium-tungsten alloy face
Material
Steel body
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
NSN
4820-00-446-3382
Part Number
PNS177-4PC2
Description
Seat,valve
CAGE
35795

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 PNS177-4PC2 NSN 4820-00-446-3382

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.5000lbs
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:
576
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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