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Machine Bolt NSN 5306-01-256-5178

Item Description

An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. See also screw, cap, hexagon head and screw, machine.

NSN 5306-01-256-5178 NSN: 5306-01-256-5178

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 1.204 inches and 1.318 inches
Fastener Length
Between 9.001 inches and 9.021 inches
Head Style
Dished hexagon
Head Height
Between 0.375 inches and 0.390 inches
Width Between Flats
Between 1.052 inches and 1.064 inches
Locking Feature
Detent ring grip
Shank Unthreaded Hole Diameter
0.141 inches first hole and 0.151 inches first hole
Thread Diameter
0.750 inches
Grip Length
Between 7.703 inches and 7.797 inches
Features Provided
Finished head
Thready Qty Per Inch (tpi)
16
Hardness Rating
36.0 rockwell c and 41.0 rockwell c
Criticality Code Justification
Feat
Distance From Head Largest Bearing Surface To Shank Hole Center
8.970 inches first hole and 8.990 inches first hole
Special Features
Weapon system essential
Material
Steel comp 8740 or steel comp 4140 or steel comp 4340
Material Specification
Ams 6322 assn standard 1st material response or ams 6382 assn standard 2nd material response or ams 6415 assn standard 3rd 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
Unjf
FSC
5306 Bolts
NIIN
012565178
NSN
5306012565178

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
50-047-12-124
Cage Code:
97499
Status:
A
MSDS:
Part Number:
106817-12-124
Cage Code:
56878
Status:
A
MSDS:
Part Number:
MSA6105-12-124
Cage Code:
0UCY9
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 5306-01-256-5178
What are the manufacturers of nsn 5306012565178?
Does this nsn 5306012565178 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306012565178
An externally threaded fastener designed for insertion through holes in assembled parts and normally intended to be tightened or released by torquing a nut. the threaded and unthreaded portions are both of one nominal diameter of 0.190 inch (5 mm) or larger. the head is not designed to be held or driven with an inserted driver or by the thumb and fingers. a locking feature may be incorporated in the design of the head or threads. head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. for items having a grip length portion machined to a tolerance of 0.0015 inch (0.038 mm) or less, bolt, shear. see also screw, cap, hexagon head and screw, machine.
Does nsn 5306012565178 contain any precious metals?
No precious metal content.
Does nsn 5306012565178 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306012565178?
No known electrostatic discharge.

Identification Group

Item Identification Guide (IIG) and Item Name Code (INC)
INC
FIIG
App. Key
Cond. Code
Status
INC:
01847
FIIG:
A003B0
App. Key:
BR
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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