Model: NL178-1WNK238-1

Valve Seat

Special Features:

Nsn4820-00-456-5594 consists of cast steel seat with hard facing gimpel part no. Nl178-1 assembled with nitralloy bushing gimpel part no. Nk238-1; should be assembled prior to finish machining to assure proper concentricities

Properties:

Overall Height
1.500 inches
Body Outside Diameter
4.188 inches
Body Inside Diameter
1.063 inches
Seat Angle In Deg
45.000
Seating Surface Shape
Angular
Material
Steel
Style Designator
Plain
NSN
4820-00-456-5594
Part Number
NL178-1WNK238-1
Description
Seat,valve
CAGE
93591

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 NL178-1WNK238-1 NSN 4820-00-456-5594

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:
1.0000lbs
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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