Model: 121538

Thread Cutting Tap

Properties:

Thread Pitch Diameters

+0.2273/+0.2278 inches

Thread Direction

Right-hand

Thread Length

1.000 inches

Shank Diameter

0.255 inches

Width Across Flats

0.191 inches

Overall Length

2.500 inches

Flute Quantity

Thread Structure

Regular

Thread Forming Method

Ground

Starting Chamfer Type

Taper

Square End Length

0.312 inches

Material And Location

Steel, high speed

Style Designator

Straight flute

Thread Size And Series/type Designator

0.250-28 unf

Specification Data

05047-asme b94.9 professional/industrial association standard

Departure From Cited Designator

As modified by starting chamfer type

NSN

5136-01-246-0247

Part Number

121538

Description

Tap,thread Cutting

CAGE

56922

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

Part 121538 NSN 5136-01-246-0247

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:

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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