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
3a
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)
12
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
1
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:
BF
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
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

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