5305-01-413-7408

Find complete technical information, availability, and procurement data for: 5305-01-413-7408
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-413-7408

Item Name Code

16282

Assigment Date

05/21/1995 (31 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.)

flat countersunk head style, patch or strip or pellet threads locking feature, 2a thread class, 1.750 inches nominal fastener length, 1.112 inches minimum and 1.188 inches maximum head diameter

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
Fastener Length: 1.750 inches nominal
Head Style: flat countersunk
Head Diameter: 1.112 inches minimum and 1.188 inches maximum
Locking Feature: patch or strip or pellet threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.625 inches
Width Across Flats: 0.375 inches nominal
Thread Quantity Per Inch: 11
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 42.0 rockwell c nominal fastener
Minimum Yield Strength: 40000 pounds per square inch
Countersink Angle: 80.0 degrees minimum and 84.0 degrees maximum
Material: nickel alloy 400 fastener
Material: plastic polyamide (nylon) locking feature
Material Document And Classification: qq-n-281, cla fed spec single material response fastener
Thread Series Designator: unc
Nondefinitive Spec/Std Data: iv type

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
5/8-11UNC-2A X 1 3/4IN. LG.	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-413-7408?

The FSCG of the NSN 5305-01-413-7408 is 5305

Does the NSN 5305-01-413-7408 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-413-7408 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 5305-01-413-7408 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-413-7408 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 5305-01-413-7408 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Sun, May 21, 1995