Model: 845-5445177

Valve Seat

Properties:

Thread Class
3a single threaded portion
Thread Length
0.316 inches single threaded portion
Flange Diameter
Between 0.932 inches and 0.942 inches
Body Inside Diameter
0.471 inches
Flange Seat To Disk End Height
0.122 inches
Under Flange Height
Between 0.311 inches and 0.321 inches
Seat Angle In Deg
15.000
Thready Qty Per Inch (tpi)
24 single threaded portion
Thread Size
0.766 inches single threaded portion
Seating Surface Shape
Angular
Criticality Code Justification
Zzzy
Material
Nickel alloy
Material Specification
Qq-n-281 federal specification single material response or qq-n-288 federal specification single material response
Style Designator
Threaded flanged
Thread Series Designator
Uns single threaded portion
Reference Number Differentiating Characteristics
Material will be in accordance with ships parts control center activity hx quality control, manufacturing and testing specifications
NSN
3040-01-253-8834
Part Number
845-5445177
Description
Seat,valve
CAGE
80064

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 845-5445177 NSN 3040-01-253-8834

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:
C

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
2.0 X 2.0 X 1.5
Paclk Weight:
3.7000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
132330
UFC:
64340
LTL:
85.0
LCL:
85.0
WCC:
593
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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