Model: 6558-262

Optical Element Retainer

Properties:

Shoulder Length
1.034 inches
Hole Diameter
3.490 inches
Overall Length
1.484 inches
Flange Diameter
4.930 inches
Hole Or Slot Quantity
8
Diameter
0.147 inches
Depth
0.150 inches
Drive Type
Drilled hole
Drive Facility Angular Spacing In Deg
45.0
Guide Design
Thread chamfer
Guide Location
Drive edge
Internal Annular Serration
Not provided
Setscrew Notch
Not provided
Shoulder Thread Size
4.000in.-6
Material
Aluminum alloy, 6061
Material
Aluminum alloy 6061
Style Designator
Shouldered
Surface Treatment
Anodized
NSN
1240-01-050-4810
Part Number
6558-262
Description
Retainer,optical Element
CAGE
11871

A cylindrical, externally threaded item having a centrally located hole specifically designed to retain by means of either a raised box (shoulder), or counterbore, countersink, or a similar shaped recess, an optical element such as a lens, reticle, cell, and the like, in optical assemblies. It must have drilled holes or slots to facilitate assembly and disassembly. For items which house the optical element(s), and form the internal or central portions of an optical system, see cell, optical element. Excludes ring, externally threaded.

Part 6558-262 NSN 1240-01-050-4810

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
22451
FIIG:
T271-K
Concept No.:
App. Key:
KA
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:
0.8000lbs
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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