5305-01-408-8581

Find complete technical information, availability, and procurement data for: 5305-01-408-8581
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-408-8581

Item Name Code

06660

Assigment Date

02/28/1995 (31 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

0.482 inches maximum thread length, right-hand thread direction, 0.500 inches nominal fastener length, pan head style, 2a thread class

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: 0.482 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: pan
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.122 inches minimum and 0.133 inches maximum
Washer Quantity: 1
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Primary Washer Outside Diameter: 0.365 inches minimum and 0.381 inches maximum
Primary Washer Style: flat external teeth
Primary Washer Material Thickness: 0.018 inches minimum and 0.024 inches maximum
Special Features: fastener material: 300 series stainless steel
Material: steel comp 410 primary washer
Material: steel corrosion resisting fastener
Surface Treatment: passivate overall
Thread Series Designator: unf

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
10113785	Assembled Washer Screw
2054AS041-09	Assembled Washer Screw
470-173-12	Assembled Washer Screw

FAQs

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

What is the FSCG of the NSN 5305-01-408-8581?

The FSCG of the NSN 5305-01-408-8581 is 5305

Does the NSN 5305-01-408-8581 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-408-8581 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 5305-01-408-8581 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-408-8581 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 5305-01-408-8581 was assigned to the Federal Catalog?

It was assigned 31 years ago, on Tue, Feb 28, 1995