5305-01-337-4899

Find complete technical information, availability, and procurement data for: 5305-01-337-4899
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-337-4899

Item Name Code

29294

Assigment Date

04/16/1991 (35 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

3a thread class, flat countersunk head style, right-hand thread direction, 0.354 inches minimum and 0.425 inches maximum thread length, 0.660 inches minimum and 0.690 inches maximum 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: 0.354 inches minimum and 0.425 inches maximum
Fastener Length: 0.660 inches minimum and 0.690 inches maximum
Head Style: flat countersunk
Head Diameter: 0.111 inches minimum
Grip Diameter: 0.2485 inches minimum and 0.2495 inches maximum
Internal Drive Style: torque-set ribbed
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.240 inches minimum and 0.260 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
Part Name Assigned By Controlling Agency: navy special project
Material: titanium alloy uns r56400 overall
Material Document And Classification: ams 4928 assn std single material response or ams 4967 assn std single material response overall
Surface Treatment: aluminum overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1790 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
NAS1790V4R4A	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-337-4899?

The FSCG of the NSN 5305-01-337-4899 is 5305

Does the NSN 5305-01-337-4899 have a Schedule B code assigned?

Yes, the Schedule B code is 8109900000

Does NSN 5305-01-337-4899 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 5305-01-337-4899 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-337-4899 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 5305-01-337-4899 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Tue, Apr 16, 1991