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Internal Wrenching Bolt NSN 5306-00-637-8612

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 5306-00-637-8612 NSN: 5306-00-637-8612

Features and Characteristics

Thread Class
2a
Thread Direction
Right-hand
Thread Length
Between 0.453 inches and 0.485 inches
Fastener Length
Between 3.734 inches and 3.766 inches
Head Style
Flat chamfer
Head Diameter
Between 0.359 inches and 0.391 inches
Head Height
Between 0.234 inches and 0.266 inches
First Diameter From Head
Between 0.167 inches and 0.177 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 3.249 inches and 3.313 inches
Internal Drive Style
Hexagon
Thread Diameter
0.250 inches
Width Across Flats
Between 0.184 inches and 0.194 inches
Thready Qty Per Inch (tpi)
20
Part Name Assigned By Controlling Agency
Navy special project
Material
Steel comp 1020
Material Specification
Qq-s-634 federal specification single material response
Surface Treatment
Chromate
Thread Series Designator
Unc
FSC
5306 Bolts
NIIN
006378612
NSN
5306006378612

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
7604339
Cage Code:
19200
Status:
A
MSDS:
Part Number:
BL90711
Cage Code:
70408
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 5306-00-637-8612
What are the manufacturers of nsn 5306006378612?
Does this nsn 5306006378612 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306006378612
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 5306006378612 contain any precious metals?
No precious metal content.
Does nsn 5306006378612 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306006378612?
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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  •   On Time Delivery
  •   Certificate of Conformance
  •   Quality Inspected Parts
  •   Quality Fast Service
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