Model: 956C557-2

Electrical Frequency Meter

Special Features:

Accuracy +/- 1% of center scale (4 cps)

Properties:

Mounting Hole Diameter
0.150 inches
Overall Diameter
3.510 inches
Mounting Bolt Circle Diameter
3.156 inches
Installation Design
Panel
Mounting Arrangement Style
Three hole/stud bolt circle
Frequency Response Range
+300.000/+500.000 hertz
Meter Depth Behind Mounting Flange
3.125 inches
Meter Body Diameter Behind Mounting Flange
2.656 inches
Mounting Facility Type And Quantity
3 unthreaded hole
Scale Selection Method
Terminal
Circuit Attachment Method And Quantity
2 solder lug
Special Markings
Green scale markings 320-480, red scale markings 300-320, and red scale markings 480-500
Style Designator
Round flush mtg
NSN
6625-00-878-8913
Part Number
956C557-2
Description
Meter,electrical Frequency
CAGE
79500

An instrument which measures the rate of regularly recurring variations in an electric current or voltage and is usually calibrated in hertz (cycles per second or cps). The value may be expressed by means of a pointer and calibrated dial vibrating reed or a digital read out display. For instruments which measure radio frequencies, see calibrator, frequency; and wavementer. excludes: counter electronic digital.

Part 956C557-2 NSN 6625-00-878-8913

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
16454
FIIG:
A310A0
Concept No.:
App. Key:
A
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:
P
PMIC:
A
ESD:
ESD:
MMAC:
TG
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
2.5000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
03
LVL_A:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
136740
UFC:
68820
LTL:
100.0
LCL:
--
WCC:
657
TCC:
Z
SHC:
Q
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9030908030
  • SITC: 87479
  • End Use: Measuring, testing, control instruments
  • NAICS: 334515
  • USDA: 1

Freight Class: Parts and accessories of articles of schedule b subheading 9030.39

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