Model: 789PC4

Optical Element Retainer

Properties:

Hole Diameter

Between 1.457 inches and 1.462 inches

Overall Length

Between 0.247 inches and 0.253 inches

Hole Or Slot Quantity

Recess Diameter

Between 1.541 inches and 1.543 inches

Recess Depth

Between 0.122 inches and 0.128 inches

Diameter

0.079 inches

Thread Size

1.874 in.-32

Depth

0.250 inches

End Application

Telescope

Drive Type

Drilled hole

Drive Facility Angular Spacing In Deg

90.0

Radius From Geometric Axis To Hole Center

Between 0.856 inches and 0.862 inches

Guide Design

Thread chamfer

Guide Location

Both edges

Internal Annular Serration

Not provided

Setscrew Notch

Not provided

Hole Chamfer Angle In Deg

0.0

Hole Chamfer Diameter

Between 1.457 inches and 1.462 inches

Material

Aluminum alloy

Material

Aluminum alloy

Style Designator

Recessed

Surface Treatment

Anodized black

NSN

1240-00-210-4396

Part Number

789PC4

Description

Retainer,optical Element

CAGE

02622

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

Part 789PC4 NSN 1240-00-210-4396

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22451

FIIG:

T271-K

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:

095190

UFC:

49790

LTL:

70.0

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