Model: 904B1

Internally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

1.062 inches

Fastener Length

1.250 inches

Head Style

Hexagon

Head Height

0.375 inches

Width Between Flats

0.750 inches

Concentric Hole Diameter

0.188 inches

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 38.0 rockwell c

Material

Steel comp 8640 or steel comp 8740 or steel

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unc

NSN

5306-00-741-1175

Part Number

904B1

Description

Bolt,internally Relieved Body

CAGE

56442

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 904B1 NSN 5306-00-741-1175

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