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
4
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:
KA
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:
095190
UFC:
49790
LTL:
70.0
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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