5305-01-454-6508

Find complete technical information, availability, and procurement data for: 5305-01-454-6508
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-454-6508

Item Name Code

16282

Assigment Date

04/08/1998 (28 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.

1.210 inches minimum and 1.250 inches maximum fastener length, flat countersunk head style, right-hand thread direction, 3a thread class, 0.949 inches minimum 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: 0.949 inches minimum
Fastener Length: 1.210 inches minimum and 1.250 inches maximum
Head Style: flat countersunk
Head Diameter: 0.480 inches minimum and 0.531 inches maximum
Locking Feature: patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 80000 pounds per square inch
Hardness Rating: 80.0 rockwell b minimum fastener
Countersink Angle: 80.0 degrees minimum and 84.00 degrees maximum
Special Features: self-locking element: patch type per mil-f-18240 except prevailing and breakaway torque values listed in industrial fastener institute specification ifi-124 shall apply
Material: plastic polyamide (nylon) locking feature
Material: steel comp 302 or steel comp 304 or steel comp 316 or steel comp 384 or steel comp xm-7 fastener
Material Document And Classification: astm a493 assn std all material responses fastener
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: astm a380 assn std single treatment response fastener
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
3176209-C-572	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-454-6508?

The FSCG of the NSN 5305-01-454-6508 is 5305

Does the NSN 5305-01-454-6508 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-454-6508 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 5305-01-454-6508 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-454-6508 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 5305-01-454-6508 was assigned to the Federal Catalog?

It was assigned 28 years ago, on Wed, Apr 8, 1998