5305-01-284-5262

Find complete technical information, availability, and procurement data for: 5305-01-284-5262
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-284-5262

Item Name Code

29294

Assigment Date

08/25/1988 (37 years ago)

3a thread class, flat countersunk head style, 0.338 inches minimum and 0.388 inches maximum thread length, 1.473 inches minimum and 1.503 inches maximum fastener 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: 0.338 inches minimum and 0.388 inches maximum
Fastener Length: 1.473 inches minimum and 1.503 inches maximum
Head Style: flat countersunk
Head Diameter: 0.258 inches minimum and 0.305 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.115 inches minimum and 1.135 inches maximum
Thread Quantity Per Inch: 32
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
Surface Finish: 63.0 microinches bearing surface of head
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams5732 assn std single material response or ams5737 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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-01-334-4650	No Name Available	03/01/1998

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
NAS1581C3R18	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-284-5262?

The FSCG of the NSN 5305-01-284-5262 is 5305

Does the NSN 5305-01-284-5262 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-284-5262 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 5305-01-284-5262 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-284-5262 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 5305-01-284-5262 was assigned to the Federal Catalog?

It was assigned 37 years ago, on Thu, Aug 25, 1988