Model: A12912

Diopter Scale

Properties:

Inside Diameter
2.187 inches
Overall Height
2.312 inches
Scale Division Quantity
9
Overall Outside Diameter
2.312 inches
Inscription Color
Black
Mounting Configuration
3 setscrews
Scale Unit Of Measure Inscription
3, 2, minus sign/in symbol form, 0, plus sign/in/ symbol form/, 1, 2, 3
Material
Aluminum alloy, ww-t-700/3, t3
Material
Aluminum alloy 2024
Material Specification
Ww-t-700/3, t3 federal specification single material response
Surface Treatment
Enamel lusterless
Surface Treatment
Enamel, semigloss
Fsc Application Data
Sighting equipment integrated wi th fire control equipment
NSN
1240-00-626-1890
Part Number
A12912
Description
Scale,diopter
CAGE
05584

A graduated scale, usually cylindrical in shape, attached to, or forming a part of, the focusing nut or knob of the eyepiece of an optical instrument. It is read in conjunction with a line or dart indicator to measure the change in refracting power of the eyepiece, in diopters, and introduces correction to compensate for the eyesight variation of the observer. It may have a knurled periphery and/or teeth on the inside diameter.

Part A12912 NSN 1240-00-626-1890

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
21868
FIIG:
T275-A
Concept No.:
App. Key:
AA
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:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
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:
Q
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
129500
UFC:
65520
LTL:
85.0
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Schedule B and Export
  • Schedule B: 9803200000
  • SITC: 93100
  • End Use: Military apparel and footwear
  • NAICS: 990000
  • USDA: 1

Freight Class: Military equipments not identified by kind

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