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Internal Wrenching Bolt NSN 5306-00-639-1749

Item Description

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

NSN 5306-00-639-1749 NSN: 5306-00-639-1749

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.475 inches and 0.525 inches
Fastener Length
Between 1.485 inches and 1.515 inches
Head Style
Bevel-conical
Head Diameter
Between 0.428 inches and 0.438 inches
Head Height
0.250 inches
Hole Diameter
0.037 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.188 inches and 0.190 inches
Hole Quantity
4
Hole Type
Drilled
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
160000 pounds per square inch
Hardness Rating
34.0 rockwell c and 40.0 rockwell c
Hole Configuration Style
Round internal hexagon
Material
Steel comp 4140 or steel comp e4340 or steel comp 6150 or steel comp 8735 or steel comp 8740
Material Specification
Mil-s-5626 military specification 1st material response or mil-s-5000 military specification 2nd material response or mil-s-8503 military specification 3rd material response or mil-s-6098 military specification 4th material response or mil-s-6049 military specification 5th material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2 cl 2 federal specification single treatment response
Thread Series Designator
Unf
FSC
5306 Bolts
NIIN
006391749
NSN
5306006391749

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
NAS144-24
Cage Code:
D9182
Status:
A
MSDS:
Part Number:
MS20004H16
Cage Code:
96906
Status:
A
MSDS:
Part Number:
25036 FIND 11
Cage Code:
78062
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 5306-00-639-1749
What are the manufacturers of nsn 5306006391749?
Does this nsn 5306006391749 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306006391749
An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. it is designed with an internal socket or internal multiple spline for use with an internal driver. the head is beveled (conical) or cylindrical in shape. items with cylindrical shaped heads must have an externally relieved body. a locking feature may be incorporated in the design of the head or threads. see also screw, cap, socket head. excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.
Does nsn 5306006391749 contain any precious metals?
No precious metal content.
Does nsn 5306006391749 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306006391749?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
06666
FIIG:
A003B0
App. Key:
BM
Cond. Code:
1
Status:
A

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  •   Certificate of Conformance
  •   Quality Inspected Parts
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