Model: 3249

Control Dial

Properties:

Counterbore Diameter

Between 0.334 inches and 0.340 inches

Counterbore Depth

Between 0.109 inches and 0.141 inches

Setscrew Hole Quantity

Distance From Hole Center To Knob/skirt Base

Between 0.260 inches and 0.270 inches

Overall Depth

Between 0.609 inches and 0.641 inches

Outside Diameter

0.625 inches

Attachment Method

Hole and setscrews

Knob Portion Diameter

Between 0.484 inches and 0.516 inches

Scale Direction And Range

1 to 20 clockwise single scale

Scale Division Quantity

20 single scale

Drive Type

Direct

Scale Type

Linear single scale

Thready Qty Per Inch (tpi)

40 screw hole

Thread Size

0.138 inches screw hole

Positioning Mechanism Type

Knob

Height

1.875 inches

Material

Copper alloy

Style Designator

Round w/knob

Thread Series Designator

Unf screw hole

NSN

5355-00-521-6925

Part Number

3249

Description

Dial,control

CAGE

27520

A dial designed to be connected to a tuning or selecting mechanism to position the mechanism to some value within its adjustable range. It is designed to be read in conjunction with a vernier indicator, pointer, or like instruments which may or may not be an integral part of the item. May include a knob. For items with one graduation, letter, or symbol, or marked to indicate the position of items such as a valve, brake, or two position switch, see knob or handwheel. See also dial, scale.

Part 3249 NSN 5355-00-521-6925

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

03265

FIIG:

A530P0

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:

095190

UFC:

49790

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 9033000000
SITC: 87490
End Use: Measuring, testing, control instruments
NAICS: 334513
USDA: 1

Freight Class: Parts and accessories (not specified or included elsewhere in this chapter) for machines, appliances, instruments or apparatus of chapter 90