Model: 6442

Ribbed Neck Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.109 inches and 1.141 inches

Fastener Length

Between 2.234 inches and 2.266 inches

Head Style

Flat chamfer

Head Diameter

Between 0.750 inches and 0.812 inches

Head Height

Between 0.229 inches and 0.239 inches

Rib Major Diameter

Between 0.534 inches and 0.539 inches

Rib Length

Between 0.921 inches and 0.953 inches

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 36.0 rockwell c

Material

Steel comp 4140

Material Specification

66 federal standard single material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type2, class3 federal specification all treatment responses

Thread Series Designator

Unf

NSN

5306-00-966-9553

Part Number

6442

Description

Bolt,ribbed Neck

CAGE

52793

A headed externally threaded fastener whose threaded portion is of one nominal diameter with a series of longitudinal ribs, splines or serrations on all or part of the unthreaded portion. See also bolt, ribbed shoulder.

Part 6442 NSN 5306-00-966-9553

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15940

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:

139170

UFC:

69790

LTL:

125.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Personnel Services

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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