5305-01-349-8755

Find complete technical information, availability, and procurement data for: 5305-01-349-8755
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-349-8755

Item Name Code

29294

Assigment Date

12/06/1991 (34 years ago)

An internally threaded item with a cylindrical and/or square, hexagonal, octagonal, or dodecagonal outer periphery (parallel to the threaded axis) a portion(s) of which may or may not be enlarged, forming a flange(s) and/or shoulder(s). Items not having an enlarged outer portion may be threaded, a part of the full length, or tapped from both ends. Items having an enlarged outer portion (flange(s) or shoulder(s)) may be threaded the full length, threaded a part of the full length, or tapped from both ends. Items tapped from both ends shall have either right-hand threads on both ends or left-hand threads on both ends. For items conforming to any of the above and having a length overall exceeding two times the largest outside diameter or width across flats, use post, electrical-mechanical equipment. For items with an outside contour that is the same the full length, having a continuous thread through its entire length, and the length does not exceed two times the diameter or width across the flats use nut (1), plain (as modified). Excludes:nut (1), plain, cap. See also turnbuckle body.

3a thread class, 0.688 inches minimum and 0.728 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 0.338 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: 0.338 inches nominal
Fastener Length: 0.688 inches minimum and 0.728 inches maximum
Head Style: flat countersunk
Head Diameter: 0.305 inches nominal
Grip Diameter: 0.1885 inches minimum and 0.1895 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.190 inches
Grip Length: 0.240 inches minimum and 0.260 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head32.0 microinches grip
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams 5737 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: unjc
Specification/Standard Data: 80205-nas1973 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
NAS1973C4T	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-349-8755?

The FSCG of the NSN 5305-01-349-8755 is 5305

Does the NSN 5305-01-349-8755 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-349-8755 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 5305-01-349-8755 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-349-8755 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 5305-01-349-8755 was assigned to the Federal Catalog?

It was assigned 34 years ago, on Fri, Dec 6, 1991