Model: 2A1021-4

Valve Piston

Properties:

Inside Diameter
0.375 inches
Outside Diameter
Between 1.238 inches and 1.239 inches
Overall Length
3.465 inches
End Application
Used on f16 door actuator
Features Provided
Threaded
Valve Design Control Activity
99240
Material
Steel
Surface Treatment
Passivate
NSN
4820-01-439-3971
Part Number
2A1021-4
Description
Piston,valve
CAGE
99240

A cylindrical item of various configurations which reciprocates in a valve body, assisting in the movement of the disk to open or close a valve. May include additional components such as ring(s), collar(s), spring(s) and the like. Excludes disk, valve.

Part 2A1021-4 NSN 4820-01-439-3971

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36944
FIIG:
A512T0
Concept No.:
App. Key:
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:
A
ESD:
A
MMAC:
CRITL:
X

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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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