Model: 031537

Optical Element Retainer

Properties:

Shoulder Diameter

3.525 inches

Shoulder Length

0.085 inches

Hole Diameter

3.874 inches

Overall Length

0.205 inches

Flange Diameter

3.720 inches

Hole Or Slot Quantity

Diameter

4.445 inches

End Application

F-16 c/d acft

Drive Type

Drilled hole

Guide Design

Thread relief

Guide Location

Shoulder

Internal Annular Serration

Not provided

Setscrew Notch

Not provided

Material

Aluminum alloy, qq-a-200/3

Material

Aluminum alloy 2024

Style Designator

Shouldered

Surface Treatment

Anodized, mil-a-8625, type 2, class 2

NSN

1240-01-195-1945

Part Number

031537

Description

Retainer,optical Element

CAGE

K6111

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 031537 NSN 1240-01-195-1945

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:

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:

72D

TCC:

SHC:

ACC:

Equipment for Aircraft

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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