Model: MIL-T-21309 TY1CL2

Thread Cutting Tap

Special Features:

Roughing tap for screw thread insert

Properties:

Thread Pitch Diameters

+0.2830/+0.2835 inches

Thread Direction

Right-hand

Thread Length

Between 1.062 inches and 1.188 inches

Shank Diameter

Between 0.3165 inches and 0.3180 inches

Width Across Flats

Between 0.234 inches and 0.238 inches

Overall Length

Between 2.688 inches and 2.750 inches

Flute Quantity

Thread Structure

Regular

Thread Forming Method

Ground

Starting Chamfer Type

Plug

Square End Length

Between 0.344 inches and 0.406 inches

Material And Location

Steel

Criticality Code Justification

Aaze

Style Designator

Spiral pointed flute

Thread Size And Series/type Designator

0.250-20 sti

Nondefinitive Specification/std Data

1 type and 2 class

NSN

5136-00-104-4147

Part Number

MIL-T-21309 TY1CL2

Description

Tap,thread Cutting

CAGE

80244

An internal threading tool with longitudinally separated cutting edges designed to form specific threads.

Part MIL-T-21309 TY1CL2 NSN 5136-00-104-4147

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15218

FIIG:

A13600

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:

186620

UFC:

91810

LTL:

RATING VARIABLE

LCL:

WCC:

732

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8207400000
SITC: 69564
End Use: Photo, service industry machinery
NAICS: 333515
USDA: 1

Freight Class: Tools for tapping or threading, parts thereof, of base metal