Model: 420241-1

Shoulder Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
0.531 inches
Fastener Length
Between 1.785 inches and 1.790 inches
Head Style
Hexagon
Head Height
0.375 inches
Width Between Flats
1.125 inches
Shoulder Diameter
0.8750 inches first shoulder
Shoulder Length
1.160 inches first shoulder and 1.165 inches first shoulder
Shoulder Length
1.160 inches and 1.165 inches first shoulder
Thread Diameter
0.625 inches
Thready Qty Per Inch (tpi)
11
Hardness Rating
34.0 rockwell c and 38.0 rockwell c
Hardness Rating
34.0 rockwell c and 38.0 rockwell c
Shoulder Shape
Round first shoulder
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 403
Material Specification
Qq-s-763, cond a federal specification single material response
Thread Series Designator
Unc
NSN
5306-00-245-1175
Part Number
420241-1
Description
Bolt,shoulder
CAGE
80020

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 420241-1 NSN 5306-00-245-1175

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04905
FIIG:
A003B0
Concept No.:
App. Key:
BY
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:
50.0
WCC:
573
TCC:
Z
SHC:
9
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

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