5305-01-539-4080

Find complete technical information, availability, and procurement data for: 5305-01-539-4080
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-539-4080

Item Name Code

29294

Assigment Date

04/20/2006 (20 years ago)

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes:nut (1), self-locking, cap.

3a thread class, 0.531 inches nominal thread length, right-hand thread direction, flat countersunk head style, 1.343 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: 3a
Thread Direction: right-hand
Thread Length: 0.531 inches nominal
Fastener Length: 1.343 inches nominal
Head Style: flat countersunk
Head Diameter: 0.429 inches nominal
Grip Diameter: 0.311 inches minimum and 0.312 inches maximum
Internal Drive Style: high-torque
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.812 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 125000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Part Name Assigned By Controlling Agency: screw-close tolerance 100 deg countersunk reduced head, hi-torque, non magnetic cres, ivd aluminum coated
Special Features: lubricant- cetyl alcohol
Material: nickel alloy 718 overall
Material Document And Classification: ams 5662 national std/spec single material response overall
Surface Treatment: aluminum overall
Surface Treatment Document And Classification: mil-dtl-83488 ty 2 cls 3 national std/spec single treatment response 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
3M927-5L13	Close Tolerance Screw
HT4069-5-13A	Close Tolerance Screw
WC4069-5-13	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-539-4080?

The FSCG of the NSN 5305-01-539-4080 is 5305

Does the NSN 5305-01-539-4080 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-539-4080 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 5305-01-539-4080 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-539-4080 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 5305-01-539-4080 was assigned to the Federal Catalog?

It was assigned 20 years ago, on Thu, Apr 20, 2006