Model: A12912

Diopter Scale

Properties:

Inside Diameter

2.187 inches

Overall Height

2.312 inches

Scale Division Quantity

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

129500

UFC:

65520

LTL:

85.0

LCL:

WCC:

72D

TCC:

SHC:

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