Model: MB161-6D44

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.589 inches and 0.639 inches
Fastener Length
Between 3.349 inches and 3.379 inches
Head Style
Spline extended washer
Head Height
Between 0.327 inches and 0.447 inches
Extended Washer Diameter
Between 0.691 inches and 0.701 inches
Extended Washer Thickness
Between 0.044 inches and 0.064 inches
Shoulder Diameter
0.3896 inches first shoulder and 0.3901 inches first shoulder
Shoulder Length
2.740 inches first shoulder and 2.760 inches first shoulder
Shank Unthreaded Hole Diameter
0.106 inches first hole and 0.111 inches first hole
Head Minor Diameter
Between 0.448 inches and 0.455 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Min. Tensile Strength (psi)
220000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center
3.126 inches first hole and 3.166 inches first hole
Shoulder Shape
Round first shoulder
Material
Steel comp xm-13
Material Specification
Ams5629 assn standard single material response
Surface Treatment
Passivate
Surface Treatment Specification
Qq-p-35 federal specification single treatment response
Thread Series Designator
Unjf
NSN
5306-01-144-5576
Part Number
MB161-6D44
Description
Bolt,shoulder
CAGE
73197

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 MB161-6D44 NSN 5306-01-144-5576

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:
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

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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