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5305-01-718-6281

Find complete technical information, availability, and procurement data for: 5305-01-718-6281

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5305-01-718-6281
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-718-6281
Item Name Code
18257
Assigment Date
03/12/2024 (2 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

hexagon head style, 2a thread class, right-hand thread direction, 0.750 inches nominal thread length, 0.750 inches nominal fastener 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
0.750 inches nominal
Fastener Length
0.750 inches nominal
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
Locking Feature
material in threads locking feature
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
105000 pounds per square inch
Minimum Yield Strength
65000 pounds per square inch
Part Name Assigned By Controlling Agency
hex head cap screw
Special Features
locking feature iaw mil-f-8961 or mil-dtl-18240
Material
steel comp 304 or steel comp 305 or steel comp 384 fastener
Material Document And Classification
cold worked 304,305 or 384 per astm f593 s5 american society for testing and materials (astm) single material response fastener
Thread Series Designator
unc
Specification/Standard Data
81349-mil-dtl-1222j government specification

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
M1222RN4C212SBLN Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-718-6281?
The FSCG of the NSN 5305-01-718-6281 is 5305
Does NSN 5305-01-718-6281 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 5305-01-718-6281 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-718-6281 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 5305-01-718-6281 was assigned to the Federal Catalog?
It was assigned 2 years ago, on Tue, Mar 12, 2024

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