51-18-410-24

View detailed technical data, stock status, and sourcing information for: 51-18-410-24
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-091-2039

Item Name Code

33044

Assigment Date

03/04/1980 (46 years ago)

An insulator having flat surfaces, with or without holes, whose thickness does not exceed 25 percent of its length or width, whichever is smaller, and whose shape is other than round. Excludes:insulator (1), spacer; insulator (1), washer; mounting pad, electrical-electronic component; plate, electrical shield; and terminal board.

0.875 inches minimum and 0.906 inches maximum fastener length, 2a thread class, knurled no. 4 head style, 0.280 inches nominal thread length, right-hand thread direction

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: 0.280 inches nominal
Fastener Length: 0.875 inches minimum and 0.906 inches maximum
Head Style: knurled no. 4
Head Diameter: 0.310 inches nominal
Head Height: 0.190 inches nominal
Internal Drive Style: slot
Material Accommodated Thickness: 0.052 inches minimum and 0.067 inches maximum
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 32
Special Features: head straight knurled
Material: steel comp 303 fastener
Material: steel comp 305 stand-off
Material Document And Classification: astm a582 assn std single material response fastener
Material Document And Classification: qq-s-766 fed spec single material response stand-off
Surface Treatment: passivate fastener
Surface Treatment: passivate stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response fastener
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response stand-off
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
51-18-410-24	Panel Screw Assembly
579R753H28	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-091-2039?

The FSCG of the NSN 5305-01-091-2039 is 5305

Does the NSN 5305-01-091-2039 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-091-2039 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 5305-01-091-2039 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-091-2039 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 5305-01-091-2039 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Tue, Mar 4, 1980