Model: 2636644

Internal Wrenching Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.305 inches
Fastener Length
1.310 inches
Head Style
Flat chamfer
Head Diameter
0.370 inches
Head Height
0.250 inches
Hole Diameter
0.190 inches
First Diameter From Head
0.200 inches
Second Diameter From Head
0.250 inches
Third Diameter From Head
0.170 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.760 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
0.880 inches
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.005 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
0.190 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
20
Hole Configuration Style
Round longitudinal hole
Part Name Assigned By Controlling Agency
Navy special project
Material
Stainless steel
Thread Series Designator
Unc
NSN
5306-00-854-0648
Part Number
2636644
Description
Bolt,internal Wrenching
CAGE
06848

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 2636644 NSN 5306-00-854-0648

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
Concept No.:
App. Key:
BM
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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318152000
  • SITC: 69421
  • End Use: Iron and steel products, other
  • NAICS: 332722
  • USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment

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