Model: 7688772

Optical Element Retaining Ring

Special Features:

Chamfer0.019 in by 30 degrees on id qf flange end. One slot 0.063 in wide, 0.070 in deep by 45 degrees on face of flange end

Properties:

Thread Class
2a
Thread Direction
Right-hand
Groove Diameter
Between 1.435 inches and 1.445 inches
Thread Length
0.187 inches
Overall Length
0.300 inches
Outside Diameter
Between 1.525 inches and 1.535 inches
Thread Size
1.430 in.-48
Aperture Diameter
Between 1.197 inches and 1.203 inches
Inner Groove Width
Between 0.053 inches and 0.073 inches
Screw Thread Series Designator
Uns
Mounting Configuration
Internal thread
Thread Location
Internal
Internal Flange Thickness
Between 0.045 inches and 0.055 inches
Groove Location
Adjacent to internal flange
Knurled Periphery
Not provided
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Material
Aluminum alloy, qq-a-225/3, alloy 2011, t3
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Surface Treatment
Anodized, mil-a-8625, type 1, class 2, black
Fsc Application Data
Periscope, tank
NSN
1240-00-768-8772
Part Number
7688772
Description
Ring,retaining,optical Element
CAGE
19200

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 7688772 NSN 1240-00-768-8772

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:
U
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:
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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