Model: 122-2422421 PC

Externally Relieved Body Bolt

Special Features:

Machine tooth spline, with 12 teeth, on fourth dia. From head, 1.275 in. Minor dia., 1.6238 in. Major dia. 2.120 in. Long, starting 6.00 in. From bearing surface of head to 8.120 in. From bearing surface of head

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

9.680 inches

Head Style

Hexagon extended washer

Head Height

1.500 inches

Width Between Flats

Between 2.244 inches and 2.250 inches

Extended Washer Diameter

2.750 inches

Extended Washer Thickness

0.250 inches

First Diameter From Head

Between 1.988 inches and 1.990 inches

Second Diameter From Head

Between 1.626 inches and 1.628 inches

Third Diameter From Head

Between 1.988 inches and 1.990 inches

Fourth Diameter From Head

Between 1.6222 inches and 1.6238 inches

Fifth Diameter From Head

1.126 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

0.250 inches

Distance From Largest Bearing Surface Of Head To End Of Second Diameter

Between 0.526 inches and 0.536 inches

Distance From Largest Bearing Surface Of Head To End Of Third Diameter

Between 0.590 inches and 0.620 inches

Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter

8.120 inches

Thread Diameter

1.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

165000 pounds per square inch

Hardness Rating

30.0 rockwell c and 34.0 rockwell c

Externally Relieved Body Diameter Quantity

Material

Steel comp 4340

Material Specification

Mil-s-16974 military specification single material response

Thread Series Designator

Unf

NSN

5306-01-363-8471

Part Number

122-2422421 PC

Description

Bolt,externally Relieved Body

CAGE

80064

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part 122-2422421 PC NSN 5306-01-363-8471

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

573

TCC:

SHC:

ACC:

Trailers/Vehicles

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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