2493584

View detailed technical data, stock status, and sourcing information for: 2493584
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-127-0880

Item Name Code

27851

Assigment Date

02/23/1982 (44 years ago)

A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.

0.775 inches minimum and 0.795 inches maximum fastener length, 3a thread class, 0.260 inches minimum and 0.300 inches maximum thread length, hexagon head style, 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: 3a
Thread Direction: right-hand
Thread Length: 0.260 inches minimum and 0.300 inches maximum
Fastener Length: 0.775 inches minimum and 0.795 inches maximum
Head Style: hexagon
Head Height: 0.130 inches minimum and 0.140 inches maximum
Width Between Flats: 0.365 inches minimum and 0.377 inches maximum
Grip Diameter: 0.2492 inches minimum and 0.2495 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.445 inches minimum and 0.455 inches maximum
Thread Quantity Per Inch: 28
Hardness Rating: 32.0 rockwell c minimum and 34.0 rockwell c maximum overall
Special Features: undercut 0.445 in. minand 0.455 in. max from bearing surface of head and 0.050 in. min by 0.060 in. max wide
Material: steel corrosion resisting overall
Material Document And Classification: ams 5616 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: astm a380 assn std single treatment response overall
Thread Series Designator: unjf

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
10115779	Close Tolerance Bolt
2493584	Close Tolerance Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-127-0880?

The FSCG of the NSN 5306-01-127-0880 is 5306

Does the NSN 5306-01-127-0880 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-127-0880 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 5306-01-127-0880 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-127-0880 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 5306-01-127-0880 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Tue, Feb 23, 1982