Model: 6440

Ribbed Shoulder Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.109 inches and 1.141 inches

Fastener Length

Between 1.859 inches and 1.891 inches

Head Style

Flat chamfer

Head Diameter

Between 0.812 inches and 0.874 inches

Head Height

Between 0.229 inches and 0.239 inches

Shoulder Diameter

0.534 inches first shoulder and 0.539 inches first shoulder

Shoulder Length

0.495 inches first shoulder

Thread Diameter

0.500 inches

Thready Qty Per Inch (tpi)

Hardness Rating

28.0 rockwell c and 36.0 rockwell c

Shoulder Shape

Ribbed first shoulder

Material

Steel comp 4140

Material Specification

Sae assn standard single material response

Surface Treatment

Cadmium and chromate

Thread Series Designator

Unf

NSN

5306-00-237-8296

Part Number

6440

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 6440 NSN 5306-00-237-8296

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

Pricing & Availability Check

Submit this form for stock availability and pricing.

How to Order

Ordering from buyaircraftparts.com

If you would like to order this ribbed shoulder bolt (NSN 5306-00-237-8296) please submit the pricing and availability form above to receive an up to date quote by email. If you agree to the pricing and terms you can e-sign your order online!

We are pleased to have the opportunity to serve you.

Have a Question

Hours:	08:00-18:00 Eastern Standard Time
Phone:	+1 470-231-0824
Email:	Contact Form »

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