12281838

View detailed technical data, stock status, and sourcing information for: 12281838
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-080-3287

Item Name Code

22846

Assigment Date

07/25/1979 (46 years ago)

A shaft having two or more different diameters (greater than 0.031 inches (0.79 millimeter)) along its length. It must have one or more of the following conditions: a specified surface finish designation in the range 1 to 125 microinches (0.025 to 3.2 micrometers) arithmetical average (aa), machined peripheral flat(s), circular groove(s), keyway(s), splines, threads, or holes. The ends and/or shoulders may be machined to accommodate bearings, couplings, and the like. It is not designed for use in aligning by fitting into corresponding holes of another item. For items used to support rotating members see axle(1), shouldered. For items not having any of the above conditions see pin, shoulder, headless. Excludes:shaft(1), straight; and axle(1), straight.

flat chamfer head style, 2a thread class, right-hand thread direction, 0.320 inches minimum and 0.340 inches maximum thread length, 1.055 inches minimum and 1.075 inches maximum 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: 2a
Thread Direction: right-hand
Thread Length: 0.320 inches minimum and 0.340 inches maximum
Fastener Length: 1.055 inches minimum and 1.075 inches maximum
Head Style: flat chamfer
Head Diameter: 0.375 inches nominal
Head Height: 0.075 inches nominal
Shoulder Diameter: 0.110 inches minimum and 0.120 inches maximum first shoulder
Shoulder Length: 0.610 inches minimum and 0.620 inches maximum first shoulder
Internal Drive Style: slot
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Shoulder Shape: round first shoulder
Material: steel comp 1015 or steel comp 1025 overall
Material Document And Classification: astm a108 assn std single material response or astm a576 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 3 fed spec single treatment response overall
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
12281838	Shoulder Screw
XM61563	Shoulder Screw

FAQs

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

What is the FSCG of the NSN 5305-01-080-3287?

The FSCG of the NSN 5305-01-080-3287 is 5305

Does the NSN 5305-01-080-3287 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-080-3287 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 5305-01-080-3287 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-080-3287 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 5305-01-080-3287 was assigned to the Federal Catalog?

It was assigned 46 years ago, on Wed, Jul 25, 1979