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5305-01-317-3994

Find complete technical information, availability, and procurement data for: 5305-01-317-3994

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5305-01-317-3994
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-317-3994
Item Name Code
01852
Assigment Date
03/29/1990 (36 years ago)

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:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

hexagon head style, 2a thread class, right-hand thread direction, 1.285 inches minimum and 1.305 inches maximum fastener length, 0.213 inches minimum and 0.233 inches maximum thread length

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.213 inches minimum and 0.233 inches maximum
Fastener Length
1.285 inches minimum and 1.305 inches maximum
Head Style
hexagon
Head Height
0.083 inches minimum and 0.103 inches maximum
Width Between Flats
0.365 inches minimum and 0.385 inches maximum
First Diameter From Head
0.161 inches minimum and 0.181 inches maximum
Second Diameter From Head
0.1966 inches minimum and 0.1969 inches maximum
Third Diameter From Head
0.083 inches minimum and 0.093 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter
0.021 inches minimum and 0.041 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter
1.005 inches minimum and 1.010 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Third Diameter
1.062 inches minimum and 1.082 inches maximum
Internal Drive Style
w/o internal drive
Nominal Thread Diameter
0.138 inches
Thread Quantity Per Inch
32
Hardness Rating
36.0 rockwell c minimum and 42.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity
1
Material
steel comp 630 or steel comp 324 overall
Material Document And Classification
qq-s-763,cond a fed spec 2nd material response overall
Thread Series Designator
unc

Related Parts

This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:

Part Number Name
1532401 Externally Relieved Body Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-01-317-3994?
The FSCG of the NSN 5305-01-317-3994 is 5305
Does the NSN 5305-01-317-3994 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-317-3994 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5305-01-317-3994 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-317-3994 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5305-01-317-3994 was assigned to the Federal Catalog?
It was assigned 36 years ago, on Thu, Mar 29, 1990

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