5305-01-521-9559

Find complete technical information, availability, and procurement data for: 5305-01-521-9559
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-521-9559

Item Name Code

29294

Assigment Date

07/13/2004 (22 years ago)

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

right-hand thread direction, 3a thread class, flat countersunk head style, 0.313 inches nominal thread length, 1.093 inches nominal fastener 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: 0.313 inches nominal
Fastener Length: 1.093 inches nominal
Head Style: flat countersunk
Head Diameter: 0.293 inches minimum and 0.301 inches maximum
Spline Major Diameter: 0.154 inches minimum and 0.156 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: torx
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.687 inches nominal
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees nominal and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: bolt,100 degree reduced head,geardrive recess-special thread length inconcel 718 (125 ksi shear)
Material: nickel alloy 718 overall
Material Document And Classification: bps-f-69 mfr ref single material response overall
Surface Treatment: passivate 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
11923-3-11	Close Tolerance Screw
HT4027-3-11	Close Tolerance Screw
ST3M557-3-11	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-9559?

The FSCG of the NSN 5305-01-521-9559 is 5305

Does the NSN 5305-01-521-9559 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-521-9559 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 5305-01-521-9559 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-521-9559 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 5305-01-521-9559 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Tue, Jul 13, 2004