5305-01-282-8191

Find complete technical information, availability, and procurement data for: 5305-01-282-8191
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-282-8191

Item Name Code

29294

Assigment Date

07/23/1988 (37 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.

right-hand thread direction, 0.336 inches minimum and 0.356 inches maximum thread length, 2.138 inches minimum and 2.168 inches maximum fastener length, 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: 0.336 inches minimum and 0.356 inches maximum
Fastener Length: 2.138 inches minimum and 2.168 inches maximum
Head Style: flat countersunk
Head Diameter: 0.350 inches minimum and 0.399 inches maximum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.250 inches
Grip Length: 1.802 inches minimum and 1.822 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
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: iron alloy 660 overall
Material Document And Classification: ams5732 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
Specification/Standard Data: 80205-nas1581 professional/industrial association standard

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
NAS1581C4H28	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-282-8191?

The FSCG of the NSN 5305-01-282-8191 is 5305

Does the NSN 5305-01-282-8191 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-282-8191 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 5305-01-282-8191 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-282-8191 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 5305-01-282-8191 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Sat, Jul 23, 1988