5305-01-399-3794

Find complete technical information, availability, and procurement data for: 5305-01-399-3794
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-399-3794

Item Name Code

29294

Assigment Date

11/23/1994 (31 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

flat countersunk head style, right-hand thread direction, 1.048 inches minimum and 1.078 inches maximum fastener length, 3a thread class, 0.501 inches nominal 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: 0.501 inches nominal
Fastener Length: 1.048 inches minimum and 1.078 inches maximum
Head Style: flat countersunk
Head Diameter: 0.6335 inches maximum
Grip Diameter: 0.3427 inches minimum and 0.3432 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.3125 inches
Grip Length: 0.552 inches minimum and 0.572 inches maximum
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5732 assn std single material response or ams 5737 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
NAS1580C5T9Y	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-399-3794?

The FSCG of the NSN 5305-01-399-3794 is 5305

Does the NSN 5305-01-399-3794 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-399-3794 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 5305-01-399-3794 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-399-3794 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 5305-01-399-3794 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Wed, Nov 23, 1994