Model: 72688-6-34

Shoulder Bolt

Special Features:

Furnished with one retaining ring

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.368 inches and 0.398 inches

Fastener Length

Between 2.664 inches and 2.684 inches

Head Style

Crowned hexagon

Head Height

0.204 inches

Width Between Flats

Between 0.553 inches and 0.564 inches

Shoulder Diameter

0.3733 inches first shoulder and 0.3742 inches first shoulder

Shoulder Length

2.125 inches first shoulder and 2.131 inches first shoulder

Shank Unthreaded Hole Diameter

0.081 inches first hole

Thread Diameter

0.312 inches

Thready Qty Per Inch (tpi)

Hardness Rating

40.0 rockwell c and 43.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

2.555 inches first hole and 2.587 inches first hole

Shoulder Shape

Round first shoulder

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel comp e4340 or steel comp 8740

Material Specification

Mil-s-5000 military specification 1st material response or mil-s-6049 military specification 2nd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416 ty2 cl3 federal specification single treatment response

Thread Series Designator

Unjf

NSN

5306-01-144-8907

Part Number

72688-6-34

Description

Bolt,shoulder

CAGE

80539

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is not designed to be held or driven with an inserted drivers. A locking feature may be incorporated in the design of the head or threads. For items with a thread diameter smaller than no. 10 (0.190 in.) (5 mm) and those items with an inserted drive head, use screw, shoulder. For items which are no. 10 (0.190 in.) (5 mm) or larger in size and are both shouldered and have an externally relieved body, use bolt, externally relieved body. Excludes thumbscrew.

Part 72688-6-34 NSN 5306-01-144-8907

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

04905

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