Model: 58A79B33

Internally Relieved Body Bolt

Special Features:

Straight knurl on shoulder

Properties:

Threads Per Inch

28 counterbore

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

Between 5.240 inches and 5.260 inches

Head Style

Hexagon

Head Height

0.406 inches

Width Between Flats

Between 0.736 inches and 0.750 inches

Shoulder Diameter

Between 0.512 inches and 0.519 inches

Shoulder Length

0.265 inches

Shank Unthreaded Hole Diameter

0.141 inches first hole

Concentric Hole Depth

2.656 inches

Concentric Hole Diameter

0.213 inches

Internal Thread Length

0.406 inches counterbore

Thread Diameter

0.500 inches

Thread Series

Unf counterbore

Internal Thread Direction

Right-hand counterbore

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 34.0 rockwell c

Hardness Rating

28.0 rockwell c and 34.0 rockwell c

Thread Size

0.250 inches counterbore

Distance From Head Largest Bearing Surface To Shank Hole Center

4.990 inches first hole and 5.010 inches first hole

Distance From Head Largest Bearing Surface To Shank Hole Center

4.990 inches and 5.010 inches first hole

Internal Thread Class

2b counterbore

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp 5140h

Style Designator

Counterbore threaded

Thread Series Designator

Unf

NSN

5306-00-730-3048

Part Number

58A79B33

Description

Bolt,internally Relieved Body

CAGE

10001

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 58A79B33 NSN 5306-00-730-3048

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