651-8109-001

View detailed technical data, stock status, and sourcing information for: 651-8109-001
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-226-1942

Item Name Code

01852

Assigment Date

02/13/1986 (40 years ago)

2a thread class, 4.940 inches nominal fastener length, flat chamfer head style, right-hand thread direction, 0.630 inches minimum 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: 0.630 inches minimum
Fastener Length: 4.940 inches nominal
Head Style: flat chamfer
Head Diameter: 0.250 inches nominal
Head Height: 0.220 inches nominal
First Diameter From Head: 0.173 inches minimum and 0.203 inches maximum
Second Diameter From Head: 0.139 inches minimum and 0.145 inches maximum
Third Diameter From Head: 0.159 inches minimum and 0.165 inches maximum
Fourth Diameter From Head: 0.173 inches minimum and 0.203 inches maximum
Fifth Diameter From Head: 0.297 inches minimum and 0.327 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.617 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 1.252 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 1.747 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Fourth Diameter: 3.970 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Fifth Diameter: 4.060 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Hardness Rating: 35.0 rockwell c minimum and 42.0 rockwell c maximum overall
Externally Relieved Body Diameter Quantity: 1
Material: steel comp 630 overall
Material Document And Classification: ams5643 assn std single material response overall
Surface Treatment: paint head
Surface Treatment: passivate overall
Surface Treatment Document And Classification: 580-0532-001,fscm 13499 mfr ref single treatment response head
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment 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
651-8109-001	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-226-1942?

The FSCG of the NSN 5305-01-226-1942 is 5305

Does the NSN 5305-01-226-1942 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-226-1942 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 5305-01-226-1942 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-226-1942 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 5305-01-226-1942 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Feb 13, 1986