5305-01-338-3363

Find complete technical information, availability, and procurement data for: 5305-01-338-3363
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-3363

Item Name Code

29294

Assigment Date

05/02/1991 (35 years ago)

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

0.338 inches nominal thread length, flat countersunk head style, 3a thread class, right-hand thread direction, 0.511 inches minimum and 0.541 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: 0.338 inches nominal
Fastener Length: 0.511 inches minimum and 0.541 inches maximum
Head Style: flat countersunk
Head Diameter: 0.339 inches minimum and 0.381 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.178 inches minimum and 0.198 inches maximum
Features Provided: dry film lubricant
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 bearing surface of head
Part Name Assigned By Controlling Agency: navy special project
Material: iron alloy 660 overall
Material Document And Classification: ams 5731 assn std single material response or ams 5735 assn std single material response or ams 5737 assn std single material response overall
Surface Treatment: passivate 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
NAS1790C3R3L	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-3363?

The FSCG of the NSN 5305-01-338-3363 is 5305

Does the NSN 5305-01-338-3363 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-338-3363 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 5305-01-338-3363 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-338-3363 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 5305-01-338-3363 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Thu, May 2, 1991