Model: 4443C139

Internally Relieved Body Bolt

Special Features:

Keyway machined in thread end 0.980 in. Long 0.291 in. Deep; threads 7/16-20unf-2a in shank 0.500 in. From bearing surface of head

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.150 inches

Fastener Length

Between 3.935 inches and 3.945 inches

Head Style

Round w/wrench flats

Head Diameter

0.650 inches

Width Between Flats

Between 0.554 inches and 0.562 inches

Shoulder Diameter

Between 0.364 inches and 0.366 inches

Shoulder Length

2.350 inches

Concentric Hole Depth

2.400 inches

Concentric Hole Diameter

Between 0.250 inches and 0.252 inches

Thready Qty Per Inch (tpi)

Material

Aluminum alloy

Material Specification

Spec s1474 he30-tf fscm u1605 mfr ref single material response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unf

NSN

5306-01-184-7630

Part Number

4443C139

Description

Bolt,internally Relieved Body

CAGE

U1605

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 4443C139 NSN 5306-01-184-7630

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:

0.1000lbs

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: 7616106000
SITC: 69440
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Threaded fasteners of aluminum