Model: 7B1-2 20

Drill Chuck

Special Features:

W/accessory key

Properties:

Attachment Method

Arbor hole

Bearing Type

Plain

Performance Type

Medium duty

Unit Type

3-jaw key

Attachment Type

Threaded

Arbor

Not included

Attachment Size Designation

1/2-20 unf

Tool Size Accommodated

0.250 inches

Nondefinitive Specification/std Data

1 type and 2 class

NSN

3460-00-148-2201

Part Number

7B1-2 20

Description

Chuck,drill

CAGE

75078

An accessory for holding tools with a plain cylindrical shank such as drills, taps, or the like, by means of two or more internal selfcentering (universal) jaws. It may be attached directly to the spindle of a machine, arbor, shaft, hand mechanism, or the like without the use of centers. The jaws are simultaneously adjusted by an adjusting nut, sleeve, feed screw, or the like. The maximum rated capacity of this item is one (1) inch (25.4 mm) diameter. For universal chucks having a capacity in excess of one (1) inch (25.4 mm), see chuck, universal jaw. Excludes chuck, centering, lathe.

Part 7B1-2 20 NSN 3460-00-148-2201

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05101

FIIG:

T182-H

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

184130

UFC:

90287

LTL:

77.5

LCL:

WCC:

732

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8466100175
SITC: 73511
End Use: Metalworking machine tools
NAICS: 333515
USDA: 1

Freight Class: Tool holders and self-opening dieheads, nesoi