Model: TA-3656

Optical Element Retainer

Properties:

Hole Diameter

1.062 inches

Width

0.032 inches

Overall Length

0.070 inches

Hole Or Slot Quantity

Recess Angle In Deg

10.0

Recess Depth

0.060 inches

Thread Size

1.234 in.-40

Depth

0.013 inches

Drive Type

Slotted

Drive Facility Angular Spacing In Deg

180.0

Guide Design

Thread chamfer

Guide Location

Drive edge

Internal Annular Serration

Not provided

Setscrew Notch

Not provided

Hole Chamfer Angle In Deg

0.0

Hole Chamfer Diameter

1.062 inches

Material

Brass

Material

Copper alloy

Style Designator

Recessed

Surface Treatment

Black oxide

NSN

1240-00-382-1706

Part Number

TA-3656

Description

Retainer,optical Element

CAGE

34228

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 TA-3656 NSN 1240-00-382-1706

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:

0.1000lbs

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:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

72D

TCC:

SHC:

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