Model: 50644-21

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
1.062 inches
Fastener Length
4.524 inches
Head Style
Hexagon
Head Height
0.625 inches
Width Between Flats
2.190 inches
Shoulder Diameter
1.623 inches first shoulder and 1.624 inches first shoulder
Shoulder Length
3.462 inches first shoulder
Shank Unthreaded Hole Diameter
0.141 inches first hole
Thread Diameter
1.250 inches
Thready Qty Per Inch (tpi)
12
Min. Tensile Strength (psi)
230000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
4.316 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel
Material Specification
Mil-s-7108 military specification single material response
Surface Treatment
Cadmium
Thread Series Designator
Unf
NSN
5306-00-579-0201
Part Number
50644-21
Description
Bolt,shoulder
CAGE
56878

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 50644-21 NSN 5306-00-579-0201

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
--
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

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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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