Model: 20C-0023-4

Vent And Valve Assembly

Special Features:

Operating torque required to set the valve in either position shall not exceed 60 pounds - inches

Properties:

Overall Length
6.251 inches
Overall Height
1.936 inches
Overall Diameter
2.062 inches
Unpackaged Unit Weight
0.85 pounds
Part Name Assigned By Controlling Agency
Valve, oxygen, pressure build-up & vent per mil-v-8057
Special Markings
Valve, oxygen specification mil-v-057 omfrs p/n 20c-0023-4, essex cryog
Special Test Features
High temperature operation = 260 f, low temperature operation = - 65 f
Supplementary Features
Max weight = .85lbs
NSN
1660-00-627-9139
Part Number
20C-0023-4
Description
Valve Assembly,vent And
CAGE

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:
BO
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.9000lbs
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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
127220
UFC:
64490
LTL:
77.5
LCL:
77.5
WCC:
671
TCC:
Z
SHC:
Z
ACC:
Equipment for Aircraft

End Items End applications NSN 1660-00-627-9139 is a component of

  • Stratofortress B-52 Aircraft
  • Stratolifter C/kc-135 Aircraft
  • Breathing Oxygen Systems And Components

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Schedule B and Export
  • Schedule B: 8803300060
  • SITC: 79295
  • End Use: Parts for military-type goods
  • NAICS: 336413
  • USDA: 1

Freight Class: Other parts of airplanes or helicopters for use in military aircraft (excludes propellers, rotors, undercarriages, and parts thereof)

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