5305-01-689-7703

Find complete technical information, availability, and procurement data for: 5305-01-689-7703
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-689-7703

Item Name Code

29294

Assigment Date

07/09/2020 (6 years ago)

An item fabricated from a single, internally cored casting, or composed of two or more separate castings, and designed to position and protect bearings, shafts, gears, and/or other components required for a mechanical drive. Includes items having access hole(s) to facilitate machining and assembling of components. It may include the access hole cover plate(s).

3a thread class, right-hand thread direction, 1.638 inches minimum and 1.668 inches maximum fastener length, flat countersunk head style, 0.378 inches minimum and 0.428 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: 0.378 inches minimum and 0.428 inches maximum
Fastener Length: 1.638 inches minimum and 1.668 inches maximum
Head Style: flat countersunk
Head Diameter: 0.350 inches minimum and 0.399 inches maximum
Grip Diameter: 0.2641 inches minimum and 0.2651 inches maximum
Internal Drive Style: offset cruciform (torque set)
End Item Identification: f16
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.240 inches minimum and 1.260 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt, 100 degree reduced head
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate 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
NAS1581A4T20X	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-689-7703?

The FSCG of the NSN 5305-01-689-7703 is 5305

Does the NSN 5305-01-689-7703 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-689-7703 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 5305-01-689-7703 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-689-7703 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 5305-01-689-7703 was assigned to the Federal Catalog?

It was assigned 6 years ago, on Thu, Jul 9, 2020