5305-01-521-7349

Find complete technical information, availability, and procurement data for: 5305-01-521-7349
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-521-7349

Item Name Code

29294

Assigment Date

07/01/2004 (22 years ago)

A nonmetallic circular item with an aperature, having a solid round cross-section. They are used primarily for sealing. For items with other than round cross section, see packing,preformed. For noncircular items with a round cross-section, see seal,nonmetallic round section and rubber,round section.

3a thread class, right-hand thread direction, 1.329 inches minimum and 1.359 inches maximum fastener length, flat countersunk head style, 0.656 inches nominal thread 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: 0.656 inches nominal
Fastener Length: 1.329 inches minimum and 1.359 inches maximum
Head Style: flat countersunk
Head Diameter: 0.826 inches nominal
Grip Diameter: 0.437 inches nominal
Internal Drive Style: high-torque
End Item Identification: 1b-52 acft
Nominal Thread Diameter: 0.4375 inches
Grip Length: 0.678 inches minimum and 0.698 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 100.0 degrees nominal
Part Name Assigned By Controlling Agency: close tolerance screw
Material: steel comp 4140 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
NAS587-11	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-7349?

The FSCG of the NSN 5305-01-521-7349 is 5305

Does the NSN 5305-01-521-7349 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-521-7349 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 5305-01-521-7349 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-521-7349 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 5305-01-521-7349 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Thu, Jul 1, 2004