Model: SM-D-850323

Optical Element Retainer

Properties:

Shoulder Length
Between 0.365 inches and 0.375 inches
Tapered Hole Minor Diameter
Between 3.120 inches and 3.130 inches
Taper Angle In Deg
7.0
Overall Length
Between 0.734 inches and 0.744 inches
Flange Diameter
Between 3.495 inches and 3.505 inches
Hole Or Slot Quantity
3
Diameter
Between 0.120 inches and 0.130 inches
End Application
5855-01-039-2850 objective assembly
Drive Type
Drilled hole
Drive Facility Angular Spacing In Deg
120.0
Radius From Geometric Axis To Hole Center
1.585 inches
Guide Design
Thread relief
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Shoulder Thread Size
3.380 in.-32
Material
Aluminum alloy, 6061
Material
Aluminum alloy 6061
Style Designator
Shouldered
Surface Treatment
Dull black
Fsc Application Data
Night vision equipment
NSN
5855-01-039-2851
Part Number
SM-D-850323
Description
Retainer,optical Element
CAGE

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 SM-D-850323 NSN 5855-01-039-2851

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:
0.1000lbs
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:
013120
UFC:
05380
LTL:
100.0
LCL:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Instruments/Radio

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Schedule B and Export
  • Schedule B: 9014900000
  • SITC: 87412
  • End Use: Marine engines, parts
  • NAICS: 334511
  • USDA: 1

Freight Class: Parts & accessories for direction finding compasses and other navigational instruments and appliances

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