Model: A6412

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.875 inches

Fastener Length

Between 1.375 inches and 1.391 inches

Head Style

Flat chamfer

Head Diameter

0.625 inches

Head Height

Between 0.182 inches and 0.192 inches

Shoulder Diameter

0.429 inches first shoulder and 0.434 inches first shoulder

Shoulder Length

0.365 inches first shoulder and 0.375 inches first shoulder

Rib Major Diameter

Between 0.429 inches and 0.434 inches

Rib Length

Between 0.365 inches and 0.375 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 36.0 rockwell c

Shoulder Shape

Round first shoulder

Material

Steel comp 4140

Material Specification

66 federal standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification all treatment responses

Thread Series Designator

Unf

NSN

5306-00-709-1474

Part Number

A6412

Description

Bolt,ribbed Shoulder

CAGE

52793

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 A6412 NSN 5306-00-709-1474

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