Model: 1B9503

Externally Relieved Body Bolt

Properties:

Thread Class
2a
Thread Direction
Right-hand
Thread Length
1.250 inches
Fastener Length
3.000 inches
Head Style
Hexagon
Head Height
0.219 inches
Width Between Flats
0.500 inches
First Diameter From Head
0.312 inches
Second Diameter From Head
0.281 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.500 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.500 inches
Thread Diameter
0.312 inches
Thready Qty Per Inch (tpi)
18
Externally Relieved Body Diameter Quantity
2
Material
Steel
Thread Series Designator
Unc
NSN
5306-00-426-3312
Part Number
1B9503
Description
Bolt,externally Relieved Body
CAGE
11083

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 1B9503 NSN 5306-00-426-3312

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:
U
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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