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Externally Relieved Body Bolt NSN 5306-00-417-4271

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 5306-00-417-4271 NSN: 5306-00-417-4271

Features and Characteristics

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.560 inches and 0.580 inches
Fastener Length
Between 1.640 inches and 1.650 inches
Head Style
Round w/wrench flats chamfered
Head Diameter
0.880 inches
Head Height
Between 0.450 inches and 0.460 inches
Width Between Flats
0.530 inches
First Diameter From Head
Between 0.5145 inches and 0.5150 inches
Second Diameter From Head
0.360 inches
Distance From Largest Bearing Surface Of Head To End Of First Diameter
Between 0.730 inches and 0.740 inches
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
Between 1.070 inches and 1.080 inches
Thread Diameter
0.438 inches
Thready Qty Per Inch (tpi)
20
Hardness Rating
32.0 rockwell c and 36.0 rockwell c
Criticality Code Justification
Aawc
Externally Relieved Body Diameter Quantity
2
Special Features
Outer edge of one wrench flat chamfered 45 degrees to a depth of 0.280 in. Min, 0.300 in. Max
Material
Steel comp 8740
Material Specification
Ams 6322 assn standard single material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
Test Data Document
81343-ams 2640 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unf
FSC
5306 Bolts
NIIN
004174271
NSN
5306004174271

Manufacturer Part Numbers

Part numbers registered to this national stock number.
Part Number
Cage
Status
MSDS
Part Number:
232285Y32
Cage Code:
0AHP5
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 5306-00-417-4271
What are the manufacturers of nsn 5306004174271?
Does this nsn 5306004174271 have a shelf life?
No. This NSN does not have an applicable shelf life.
What is the formal definition of nsn 5306004174271
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 5306004174271 contain any precious metals?
Precious metal content is unknown.
Does nsn 5306004174271 contain any hazardous materials?
No MSDS. No hazardous material.
What is the ESD classification of nsn 5306004174271?
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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  •   Certificate of Conformance
  •   Quality Inspected Parts
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