Model: 4CRU

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
3
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
4CRU
Description
Tap,thread Cutting
CAGE
01556

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

Part 4CRU NSN 5136-00-104-4147

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:
Y

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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