5305-01-193-2388

Find complete technical information, availability, and procurement data for: 5305-01-193-2388
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-193-2388

Item Name Code

29294

Assigment Date

10/31/1984 (41 years ago)

0.278 inches minimum and 0.329 inches maximum thread length, 5.231 inches minimum and 5.251 inches maximum fastener length, crowned hexagon head style, 3a thread class, right-hand thread direction

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: 0.278 inches minimum and 0.329 inches maximum
Fastener Length: 5.231 inches minimum and 5.251 inches maximum
Head Style: crowned hexagon
Head Height: 0.126 inches minimum and 0.141 inches maximum
Width Between Flats: 0.430 inches minimum and 0.439 inches maximum
Locking Feature: detent ball grip
Grip Diameter: 0.2487 inches minimum and 0.2492 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: slot
Nominal Thread Diameter: 0.250 inches
Grip Length: 4.812 inches minimum and 4.828 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 63000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 5.135 inches minimum and 5.155 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Material: steel comp xm-13 overall
Material Document And Classification: ams 5629 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 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:

Part Number	Name
MS3369B477	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-193-2388?

The FSCG of the NSN 5305-01-193-2388 is 5305

Does the NSN 5305-01-193-2388 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-193-2388 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 5305-01-193-2388 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-193-2388 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 5305-01-193-2388 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Oct 31, 1984