Model: SMB657308

Optical Element Retaining Ring
Description:

2b thread class, +1.7340/+1.7380 inches thread pitch diameters, 0.125 inches thread length, 0.125 inches overall length, 1.870 inches outside diameter.

Special Features:

Chamfered

Properties:

Thread Class
2b
Thread Pitch Diameters
+1.7340/+1.7380 inches
Thread Pitch Diameters
+1.7340 to 1.7380 inches
Thread Length
0.125 inches
Overall Length
0.125 inches
Outside Diameter
1.870 inches
Thread Size
1 3/4-32
Screw Thread Series Designator
Uns
Mounting Configuration
0.063 in. Diameter holes 8
Thread Location
Internal
Material
Aluminum alloy
Material
Aluminum alloy
Fsc Application Data
Night vision equipment, emitted and reflected radiation
NSN
5855-00-125-0632
Part Number
SMB657308
Description
Ring,retaining,optical Element
CAGE
80063

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 SMB657308 NSN 5855-00-125-0632

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:
N

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
0.1 X 0.1 X 0.1
Paclk Weight:
0.1000lbs
Item Weight:
0.1000lbs
Item Dim:
000100010001
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
AG00000600
SPI Rev.:
SPC Mkg:
00
LVL_A:
8
LVL_B:
8

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
013120
UFC:
05380
LTL:
100.0
LCL:
100.0
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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