Model: 74A450644-2001

Internally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.445 inches

Fastener Length

3.790 inches

Head Style

Round w/wrench flats chamfered

Head Diameter

1.060 inches

Head Height

0.270 inches

Width Between Flats

0.880 inches

Shoulder Diameter

Between 0.7490 inches and 0.7495 inches

Shoulder Length

Between 3.270 inches and 3.280 inches

Shank Unthreaded Hole Diameter

0.141 inches first hole and 0.151 inches first hole

Concentric Hole Depth

3.000 inches

Concentric Hole Diameter

0.375 inches

Thread Diameter

0.562 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

280000 pounds per square inch

Distance From Head Largest Bearing Surface To Shank Hole Center

3.650 inches first hole

Material

Steel

Material Specification

Mil-s-8844 cl 3 cond e-2 military specification single material response

Surface Treatment

Chromium grip

Surface Treatment Specification

Stf1139 fscm 76301 mfr ref single treatment response grip

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unjf

NSN

5306-01-109-7463

Part Number

74A450644-2001

Description

Bolt,internally Relieved Body

CAGE

76301

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 74A450644-2001 NSN 5306-01-109-7463

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:

0.4000lbs

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