Model: 8140842-03

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.825 inches

Fastener Length

1.437 inches

Head Style

Flat chamfer

Head Diameter

Between 0.615 inches and 0.625 inches

Head Height

Between 0.185 inches and 0.187 inches

Shoulder Diameter

0.360 inches first shoulder and 0.388 inches first shoulder

Shoulder Length

0.843 inches first shoulder

Rib Major Diameter

0.405 inches

Rib Length

0.594 inches

Distance From Largest Diameter Of Bearing Surface Of Head To Ribs

0.063 inches

Rib Minor Diameter

0.062 inches

Rib Quantity

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

110000 pounds per square inch

Rib Included Angle

90.0 degrees

Shoulder Shape

Ribbed first shoulder

Material

Steel

Material Specification

Astm-a490 assn standard single material response

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416, type 2, class 1 federal specification single treatment response

Thread Series Designator

Unf

NSN

5306-01-129-4437

Part Number

8140842-03

Description

Bolt,ribbed Shoulder

CAGE

98750

An externally threaded fastener whose threaded portion is of one nominal diameter. It has a series of longitudinal ribs, splines or serrations on all or a part of the shoulder. The minor diameter of the ribs must be greater than the major diameter of the threads. See also bolt, ribbed neck.

Part 8140842-03 NSN 5306-01-129-4437

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16014

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: 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