Model: ST3M839-4DH26

Shoulder Bolt

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.443 inches and 0.493 inches
Fastener Length
Between 2.078 inches and 2.108 inches
Head Style
Spline extended washer
Head Height
Between 0.240 inches and 0.260 inches
Extended Washer Diameter
Between 0.460 inches and 0.470 inches
Extended Washer Thickness
Between 0.026 inches and 0.046 inches
Shoulder Diameter
0.2647 inches first shoulder and 0.2651 inches first shoulder
Shoulder Length
1.615 inches first shoulder and 1.635 inches first shoulder
Hole Diameter
Between 0.032 inches and 0.042 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.081 inches first hole
Head Minor Diameter
Between 0.318 inches and 0.324 inches
Thread Diameter
0.250 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
220000 pounds per square inch
Hole Configuration Style
Spline
Distance From Head Largest Bearing Surface To Shank Hole Center
1.886 inches first hole and 1.926 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
5306-01-141-7184
Part Number
ST3M839-4DH26
Description
Bolt,shoulder
CAGE
76301

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 ST3M839-4DH26 NSN 5306-01-141-7184

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:
M
SPI No.:
SPI Rev.:
SPC Mkg:
99
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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