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Externally Relieved Body Bolt NSN 5306-01-166-4539

Item Description

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.

NSN 5306-01-166-4539 NSN: 5306-01-166-4539

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Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
0.750 inches
Fastener Length
2.070 inches
Head Style
Hexagon
Head Height
0.140 inches
Width Between Flats
0.491 inches
First Diameter From Head
Between 0.246 inches and 0.249 inches
Second Diameter From Head
Between 0.190 inches and 0.195 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.180 inches and 0.210 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 1.956 inches and 2.016 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Externally Relieved Body Diameter Quantity
2
Special Features
Second diameter from head rounded both sides 0.195 in. From full diameter of 0.250 in.
Material
Steel
Material Specification
Hr 650, fscm k0378 mfr ref single material response
Surface Treatment
Silver
Surface Treatment Specification
Dtd 939, fscm k0378 mfr ref single treatment response
Thread Series Designator
Unjf
FSC
5306 Bolts
NIIN
011664539
NSN
5306011664539

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
BLT4613
Cage Code:
K0378
Status:
A
MSDS:

Foreign Trade & Schedule B

What is a Schedule B number? Find more information at help.cbp.gov
  • Schedule B Number: 7318152000
  • NAICS: 332722
  • SITC: 69421
  • Description: Bolts and bolts and their nuts or washers exported in the same shipment
  • End Use (Code 12110):
    Iron and steel products, other

Q & A

Frequently asked questions for NSN 5306-01-166-4539
What are the manufacturers of nsn 5306011664539?
Does this nsn 5306011664539 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306011664539
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.
Does nsn 5306011664539 contain any precious metals?
Item contains silver.
Does nsn 5306011664539 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306011664539?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06675
FIIG:
A003B0
App. Key:
BF
Cond. Code:
1
Status:
A

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