Model: B1257V

Special Actuator Valve Diaphragm

Special Features:

Abric reinforced

Properties:

Hole Diameter
0.212 inches
Outside Diameter
4.320 inches
Bolt Circle Diameter
3.798 inches
Overall Height
0.457 inches
Material Thickness
0.084 inches
Taper Minor Diameter
2.125 inches
Taper Major Diameter
3.000 inches
Bolt Hole Quantity
6
Material
Rubber synthetic
Style Designator
Special shaped
NSN
4820-00-731-6916
Part Number
B1257V
Description
Diaphragm,actuator Valve,special
CAGE
18925

An item constructed of one or more layers of thin flexible material, either laminated or separated, designed to form a tight seal between the chambers of a valve, and to transmit pressure inducted motion to a valve disk either directly or through a mechanical linkage. The surface of the item must be formed or molded to have a beaded or rolled edge, ribs or any other raised surfaces. The item may contain bolt holes and/or center holes. Excludes diaphra gm, valve, flat and gasket.

Part B1257V NSN 4820-00-731-6916

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
40088
FIIG:
A540B0
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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