5305-01-109-2172

Find complete technical information, availability, and procurement data for: 5305-01-109-2172
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-109-2172

Item Name Code

29294

Assigment Date

03/12/1981 (45 years ago)

flat countersunk head style, right-hand thread direction, 3a thread class, 4.165 inches minimum and 4.185 inches maximum fastener length, 0.461 inches minimum and 0.497 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: 3a
Thread Direction: right-hand
Thread Length: 0.461 inches minimum and 0.497 inches maximum
Fastener Length: 4.165 inches minimum and 4.185 inches maximum
Head Style: flat countersunk
Head Diameter: 0.577 inches minimum and 0.635 inches maximum
Locking Feature: detent ball grip
Grip Diameter: 0.3108 inches minimum and 0.3117 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Grip Length: 3.688 inches minimum and 3.704 inches maximum
Thread Quantity Per Inch: 24
Hardness Rating: 36.0 rockwell c minimum and 41.0 rockwell c maximum overall
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 0.050 inches minimum and 4.080 inches maximum first hole
Surface Finish: 63.0 microinches grip
Surface Finish: 63.0 microinches head
Material: steel overall
Material Document And Classification: mil-b-83050 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator: unjf

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:

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MS27577-5-59	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-109-2172?

The FSCG of the NSN 5305-01-109-2172 is 5305

Does the NSN 5305-01-109-2172 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-109-2172 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 5305-01-109-2172 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-109-2172 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 5305-01-109-2172 was assigned to the Federal Catalog?

It was assigned 45 years ago, on Thu, Mar 12, 1981