Model: MIL-T-21309

Thread Cutting Tap

Special Features:

Finishing tap for screw thread insert

Properties:

Thread Pitch Diameters
+0.4710/+0.4715 inches
Thread Direction
Right-hand
Thread Length
1.656 inches
Shank Diameter
0.367 inches
Width Across Flats
0.275 inches
Overall Length
3.375 inches
Flute Quantity
4
Thread Structure
Regular
Thread Forming Method
Ground
Starting Chamfer Type
Bottoming
Square End Length
0.438 inches
Material And Location
Steel, high speed
Style Designator
Straight flute
Thread Size And Series/type Designator
0.438-20 sti
Specification Data
81343-as59158 professional/industrial association standard
Nondefinitive Specification/std Data
1 type and 3 class
NSN
5136-00-972-0399
Part Number
MIL-T-21309
Description
Tap,thread Cutting
CAGE
81349

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

Part MIL-T-21309 NSN 5136-00-972-0399

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15218
FIIG:
A13600
Concept No.:
App. Key:
M
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
186620
UFC:
91810
LTL:
RATING VARIABLE
LCL:
--
WCC:
732
TCC:
Z
SHC:
9
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

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