Model: A4973

Steam Air Venting Valve

Properties:

Maximum Operating Pressure
50.0 pounds per square inch
Overall Length
5.000 inches
Overall Diameter
1.375 inches
Valve Connection Size
0.250 inches
Valve Type
Steam radiator air vent
Valve Water Pressure Position
Closed
Valve Air Return Prevention
Required
Valve Shape
Vertical straight
Material
Brass
Material
Copper alloy
Surface Treatment
Enamel
Surface Treatment
Enamel
NSN
4520-00-773-6329
Part Number
A4973
Description
Valve,air Venting,steam
CAGE
28960

An automatic valve designed to relieve, automatically, accumulated air in various types of steam heating systems.

Part A4973 NSN 4520-00-773-6329

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04906
FIIG:
T114-A
Concept No.:
App. Key:
AB
Cond. Code:
1
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:
0.2000lbs
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:
E
LVL_B:
H

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
--
WCC:
72E
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8481100090
  • SITC: 74710
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Pressure-reducing valves, nesoi

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