5305-01-259-8685

Find complete technical information, availability, and procurement data for: 5305-01-259-8685
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-259-8685

Item Name Code

29294

Assigment Date

07/22/1987 (39 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

1.759 inches minimum and 1.789 inches maximum fastener length, 0.624 inches minimum and 0.674 inches maximum thread length, right-hand thread direction, flat countersunk head style, 3a thread class

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: 0.624 inches minimum and 0.674 inches maximum
Fastener Length: 1.759 inches minimum and 1.789 inches maximum
Head Style: flat countersunk
Head Diameter: 0.951 inches minimum and 1.039 inches maximum
Grip Diameter: 0.4990 inches minimum and 0.4995 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.500 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 20
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-170-8500	No Name Available	09/01/1993

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
LD111-0044-0818	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-259-8685?

The FSCG of the NSN 5305-01-259-8685 is 5305

Does the NSN 5305-01-259-8685 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-259-8685 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 5305-01-259-8685 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-259-8685 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 5305-01-259-8685 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Jul 22, 1987