5305-01-121-8490

Find complete technical information, availability, and procurement data for: 5305-01-121-8490
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-121-8490

Item Name Code

33044

Assigment Date

11/10/1981 (44 years ago)

right-hand thread direction, 0.410 inches nominal fastener length, 2a thread class, pan no. 2 head style, 0.250 inches nominal 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: 2a
Thread Direction: right-hand
Thread Length: 0.250 inches nominal
Fastener Length: 0.410 inches nominal
Head Style: pan no. 2
Head Diameter: 0.310 inches nominal
Head Height: 0.091 inches nominal
Material Accommodated Thickness: 0.031 inches minimum and 0.062 inches maximum
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Material: aluminum alloy 6061 stand-off
Material: steel comp 302 or steel comp 304 or steel comp 305 or steel comp 316 or steel comp 321 or steel comp 347 or steel comp 384 or steel comp 385 fastener
Material Document And Classification: astm a-493 assn std all material responses fastener
Material Document And Classification: qq-a-200/8 fed spec single material response stand-off
Surface Treatment: anodize stand-off
Surface Treatment: passivate fastener
Surface Treatment Document And Classification: mil-a-8625,ty 1 cl 1 mil spec single treatment response stand-off
Surface Treatment Document And Classification: qq-p-35 fed spec 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
10115092	Panel Screw Assembly
DCT7900-8-A-2	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-121-8490?

The FSCG of the NSN 5305-01-121-8490 is 5305

Does the NSN 5305-01-121-8490 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-121-8490 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 5305-01-121-8490 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-121-8490 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 5305-01-121-8490 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Nov 10, 1981