Model: 73655

Optical Element Retaining Ring

Properties:

Thread Class
3a
Thread Pitch Diameters
+0.6747/+0.6950 inches
Thread Pitch Diameters
+0.6747 to 0.6950 inches
Thread Direction
Right-hand
Thread Length
0.094 inches
Overall Length
0.125 inches
Outside Diameter
0.695 inches
Thread Size
17/32-32
Aperture Diameter
0.548 inches
Screw Thread Series Designator
Uns
Thread Location
External
Internal Flange Thickness
0.031 inches
Knurled Periphery
Not provided
Material
Steel
Material
Steel
Surface Treatment
Chemical
NSN
1240-00-344-7639
Part Number
73655
Description
Ring,retaining,optical Element
CAGE
21587

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 73655 NSN 1240-00-344-7639

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:
--
Paclk Weight:
--
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:
--
WCC:
72D
TCC:
Z
SHC:
9
ACC:
Engineer Supplies

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Schedule B and Export
  • Schedule B: 9803200000
  • SITC: 93100
  • End Use: Military apparel and footwear
  • NAICS: 990000
  • USDA: 1

Freight Class: Military equipments not identified by kind

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