Model: 002781

Optical Element Spacer

Special Features:

0.250 in. Radius indent at center along length one side

Properties:

Overall Length
Between 2.441 inches and 2.442 inches
Body Diameter
0.078 inches
Material
Steel comp 304 or steel comp 416
Material Specification
Mil-t-8506 military specification 1st material response or qq-s-763, class 416 federal specification 2nd material response
NSN
6650-00-972-8639
Part Number
002781
Description
Spacer,optical Element
CAGE
34228

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 002781 NSN 6650-00-972-8639

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:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
651
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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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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