Model: 10556096

Optical Element Retaining Ring

Properties:

Thread Class
2b
Thread Direction
Right-hand
Groove Diameter
2.490 inches
Thread Length
0.172 inches
Outside Diameter
2.688 inches
Thread Size
2 1/2-28
Aperture Diameter
2.406 inches
Inner Groove Width
0.078 inches
Screw Thread Series Designator
Uns
Thread Location
Internal
Internal Flange Thickness
1.750 inches
Groove Location
Inside end of thread
Knurled Periphery
Provided
Material
Aluminum alloy, qq-a-225/8, alloy 6061, t6 or aluminum alloy, ww-t-700/3, alloy 2024, t3 or aluminum alloy, ww-t-700/6, alloy 6061, t6
Material
Aluminum alloy 6061 or aluminum alloy 2024 or aluminum alloy 6061
Material Specification
Qq-a-225/8, alloy 6061, t6 federal specification 1st material response and ww-t-700/3, alloy 2024, t3 federal specification 2nd material response and ww-t-700/6, alloy 6061, t6 federal specification 3rd material response
Surface Treatment
Anodize
Surface Treatment
Anodized, mil-a-8625, type 2, class 2
NSN
1240-01-054-5789
Part Number
10556096
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 10556096 NSN 1240-01-054-5789

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:
0.3000lbs
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:
058110
UFC:
33110
LTL:
200.0
LCL:
200.0
WCC:
744
TCC:
Z
SHC:
9
ACC:
Medical 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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