Model: 1750-728

Internally Relieved Body Bolt

Properties:

Threads Per Inch
28 counterbore
Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.740 inches
Fastener Length
3.240 inches
Head Style
Dee
Head Diameter
0.940 inches
Head Height
0.200 inches
Distance From Centerline To Flat
Between 0.375 inches and 0.379 inches
Shoulder Diameter
Between 0.622 inches and 0.623 inches
Shoulder Length
2.500 inches
Shank Unthreaded Hole Diameter
0.156 inches first hole
Concentric Hole Depth
1.620 inches
Concentric Hole Diameter
0.213 inches
Internal Thread Length
0.250 inches counterbore
Thread Diameter
0.500 inches
Thread Series
Unf counterbore
Features Provided
Casehardened
Internal Thread Direction
Right-hand counterbore
Thready Qty Per Inch (tpi)
20
Hardness Rating
163.0 brinell standard
Thread Size
0.250 inches counterbore
Distance From Head Largest Bearing Surface To Shank Hole Center
3.040 inches first hole
Internal Thread Class
2b counterbore
Material
Steel comp 1018
Material Specification
Sae assn standard single material response
Style Designator
Counterbore threaded
Thread Series Designator
Unf
NSN
5306-00-286-2330
Part Number
1750-728
Description
Bolt,internally Relieved Body
CAGE
93568

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 1750-728 NSN 5306-00-286-2330

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
06676
FIIG:
A003B0
Concept No.:
App. Key:
BN
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:
M
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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