5305-01-171-3984

Find complete technical information, availability, and procurement data for: 5305-01-171-3984
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-171-3984

Item Name Code

29294

Assigment Date

02/07/1984 (42 years ago)

A standoff that must have a threaded end(s) or be internally threaded its full length. For items having external threads on both ends, see stud (as modified). For items with an outside contour that is the same for the entire length, are flat on top and bottom, having internal threads its full length, and the length does not exceed twice the width across the flats or outside diameter, see nut (as modified); use maximum dimensions(s) for compliance.

2.011 inches minimum and 2.041 inches maximum fastener length, 3a thread class, flat countersunk head style, 0.251 inches minimum and 0.301 inches maximum thread length, 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: 0.251 inches minimum and 0.301 inches maximum
Fastener Length: 2.011 inches minimum and 2.041 inches maximum
Head Style: flat countersunk
Head Diameter: 0.376 inches minimum and 0.385 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.075 inches maximum first hole
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.740 inches minimum and 1.760 inches maximum
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.888 inches minimum and 1.928 inches maximum first hole
Material: steel comp xm-13 overall
Material Document And Classification: ams5629 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
10115532	Close Tolerance Screw
11931-3D28	Close Tolerance Screw
HT4049-3D28	Close Tolerance Screw
ST3M714-3D28	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-171-3984?

The FSCG of the NSN 5305-01-171-3984 is 5305

Does the NSN 5305-01-171-3984 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-171-3984 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 5305-01-171-3984 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-171-3984 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 5305-01-171-3984 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Tue, Feb 7, 1984