Model: 8289250

Optical Element Retainer

Properties:

Hole Diameter
Between 1.450 inches and 1.460 inches
Width
Between 0.062 inches and 0.078 inches
Overall Length
Between 0.090 inches and 0.100 inches
Hole Or Slot Quantity
2
Recess Angle In Deg
90.0
Recess Depth
0.070 inches
Thread Size
1.688 in.-32uns-2a
Depth
Between 0.030 inches and 0.040 inches
Drive Type
Slotted
Drive Facility Angular Spacing In Deg
180.0
Guide Design
Thread chamfer
Guide Location
Both edges
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Material
Aluminum alloy, ww-t-700/3 or aluminum alloy, mil-c-11866, comp 3, t6 or aluminum alloy, qq-a-225/6 or aluminum alloy, qq-a-200/8 or aluminum alloy, qq-a-225/8 or aluminum alloy, qq-a-250/11, t6
Material
Aluminum alloy 2024 or aluminum alloy, mil-c-11866, comp 3, t6 or aluminum alloy 2024 or aluminum alloy 6061 or aluminum alloy 6062 or aluminum alloy 6061 or aluminum alloy 6061
Material Specification
Ww-t-700/3 federal specification 1st material response and qq-a-225/6 federal specification 3rd material response and qq-a-200/8 federal specification 4th material response and qq-a-225/8 federal specification 5th material response and qq-a-250/11, t6 federal specification 6th material response
Surface Treatment
Anodize
Style Designator
Recessed
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
Fsc Application Data
Periscope, tank m32, m32c
NSN
1240-00-121-0797
Part Number
8289250
Description
Retainer,optical Element
CAGE
19200

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 8289250 NSN 1240-00-121-0797

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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
058110
UFC:
33110
LTL:
200.0
LCL:
200.0
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical 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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