5305-01-535-1780

Find complete technical information, availability, and procurement data for: 5305-01-535-1780
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-535-1780

Item Name Code

29294

Assigment Date

11/17/2005 (20 years ago)

A straight fitting 12 inches (304 mm) long or under having the same or different type of connection of the same size on both ends. It is designed to join a tube or tube fitting to another tube or tube fitting. Excludes:fittings with threaded external connections on both ends. Excludes:nipple, pipe.

0.316 inches nominal thread length, 3a thread class, 1.191 inches nominal fastener length, flat countersunk head style, 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: 0.316 inches nominal
Fastener Length: 1.191 inches nominal
Head Style: flat countersunk
Head Diameter: 0.449 inches minimum and 0.507 inches maximum
Grip Diameter: 0.248 inches minimum and 0.249 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches nominal first hole
Internal Drive Style: offset cruciform (torque set)
End Item Identification: u-2
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.875 inches nominal
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.050 inches minimum and 1.090 inches maximum first hole
Part Name Assigned By Controlling Agency: flat 100 deg head,close tolerance, short thread,offset cruciform,160ksi
Material: iron alloy 660 overall
Material Document And Classification: 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

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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
NAS1154E14	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-535-1780?

The FSCG of the NSN 5305-01-535-1780 is 5305

Does the NSN 5305-01-535-1780 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-535-1780 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 5305-01-535-1780 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-535-1780 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 5305-01-535-1780 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Nov 17, 2005