Model: HM020-117-21

Vent Valve

Special Features:

INCL-UD-ESV-ENTV

Properties:

End Application
Uh-60 blackhawk helicopter
Part Name Assigned By Controlling Agency
Valve assembly, vent
NSN
4820-01-556-0495
Part Number
HM020-117-21
Description
Valve,vent
CAGE

A valve designed to relieve internal pressure from gear housings, automotive axles, differentials, transmissions and the like. May or may not be threaded on one end. For items with relief pressure ratings see valve (1), safety relief.

Part HM020-117-21 NSN 4820-01-556-0495

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
35935
FIIG:
A046B0
Concept No.:
1
App. Key:
AA
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:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
011790
UFC:
04720
LTL:
RATING VARIABLE
LCL:
RATING VARIABLE
WCC:
671
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 8481809050
  • SITC: 74780
  • End Use: Industrial machines, other
  • NAICS: 332911
  • USDA: 1

Freight Class: Other taps, cocks, valves, etc., nesoi

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