5305-01-265-1193

Find complete technical information, availability, and procurement data for: 5305-01-265-1193
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-265-1193

Item Name Code

29294

Assigment Date

10/10/1987 (38 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.)

0.500 inches nominal thread length, flat chamfer head style, right-hand thread direction, 2a thread class, 1.500 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.500 inches nominal
Fastener Length: 1.500 inches nominal
Head Style: flat chamfer
Head Diameter: 0.870 inches minimum and 0.875 inches maximum
Head Height: 0.495 inches minimum and 0.500 inches maximum
Grip Diameter: 0.4995 inches minimum and 0.5000 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.500 inches
Grip Length: 0.940 inches nominal
Width Across Flats: 0.375 inches minimum and 0.383 inches maximum
Thread Quantity Per Inch: 13
Minimum Tensile Strength: 125000 pounds per square inch
Hardness Rating: 25.0 rockwell c minimum and 34.0 rockwell c maximum overall
Minimum Yield Strength: 105000 pounds per square inch
Surface Finish: 16.0 microinches grip
Material: steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 overall
Material Document And Classification: asme sa193 assn std all material responses overall
Thread Series Designator: unc

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
177A220-106	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-265-1193?

The FSCG of the NSN 5305-01-265-1193 is 5305

Does the NSN 5305-01-265-1193 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-265-1193 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 5305-01-265-1193 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-265-1193 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 5305-01-265-1193 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Sat, Oct 10, 1987