Model: SM-D-850133

Optical Element Retaining Ring

Special Features:

Chamfered

Properties:

Thread Class
2a
Thread Pitch Diameters
+5.4735/+5.4783 inches
Thread Length
0.305 inches
Overall Length
0.750 inches
Outside Diameter
5.640 inches
Thread Size
5 1/2-32
End Application
Night vision sight assembly su-87/pvs-4
Screw Thread Series Designator
Uns
Mounting Configuration
0.125 in. Diameter holes 3
Thread Location
External
Material
Aluminum alloy, 6061
Material
Aluminum alloy 6061
Surface Treatment
Painted
Fsc Application Data
Night vision equipment, emitted and reflected radiation
NSN
5855-01-045-5497
Part Number
SM-D-850133
Description
Ring,retaining,optical Element
CAGE
27777

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

Part SM-D-850133 NSN 5855-01-045-5497

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22585
FIIG:
T271-J
Concept No.:
App. Key:
JC
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:
0.8 X 5.6 X 5.6
Paclk Weight:
0.2000lbs
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:
70.0
WCC:
713
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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