Model: 1750-728

Internally Relieved Body Bolt

Properties:

Threads Per Inch

28 counterbore

Thread Class

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)

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

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