Model: 7688728

Optical Element Spacer

Properties:

Overall Length
Between 0.165 inches and 0.169 inches
Straight Bore Inside Diameter
Between 1.272 inches and 1.278 inches
Serration Width
Between 0.115 inches and 0.119 inches
End Internal Bevel Angle
45.0 degrees
Material
Aluminum alloy 2011
Material Specification
Qq-a-225/3, alloy 2011, t3 federal specification single material response
Style Designator
Spacer
Fsc Application Data
Periscope, tank
NSN
6650-00-451-1086
Part Number
7688728
Description
Spacer,optical Element
CAGE
19200

A tubular shaped item designed to maintain a predetermined distance between optical elements, such as lenses, reticles, and the like. The bore may be straight, tapered or counterbored, and may have annular serrations to converge or diverge light rays. The surfaces, which mate with the optics, are usually chamfered, concave, and/or have a specified finish designation in the range of 1 to 125 microinches arithmetical average (aa). See also spacer, sleeve and cell, optical element.

Part 7688728 NSN 6650-00-451-1086

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22261
FIIG:
A07000
Concept No.:
App. Key:
AB
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013120
UFC:
05380
LTL:
100.0
LCL:
100.0
WCC:
576
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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Schedule B and Export
  • Schedule B: 9018500000
  • SITC: 87225
  • End Use: Medicinal equipment
  • NAICS: 339115
  • USDA: 1

Freight Class: Other ophthalmic instruments and appliances and parts and accessories

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