Model: 3AX1644

Shoulder Bolt

Special Features:

Grade 5 bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.050 inches
Fastener Length
1.760 inches
Head Style
Hexagon
Head Height
0.400 inches
Width Between Flats
0.940 inches
Shoulder Diameter
0.653 inches first shoulder and 0.657 inches first shoulder
Shoulder Length
0.500 inches first shoulder
End Application
Mack trucks
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
18
Shoulder Shape
Round all shoulders
Part Name Assigned By Controlling Agency
Capscrew-special-body fit
Material
Steel
Thread Series Designator
Unf
NSN
5306-01-554-9490
Part Number
3AX1644
Description
Bolt,shoulder
CAGE
89619

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 3AX1644 NSN 5306-01-554-9490

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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:
A
ESD:
A
MMAC:
CRITL:
X

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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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