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

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

058110

UFC:

33110

LTL:

200.0

LCL:

200.0

WCC:

744

TCC:

SHC:

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