MS21280-15

View detailed technical data, stock status, and sourcing information for: MS21280-15
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-522-9440

Item Name Code

01847

Assigment Date

08/13/2004 (22 years ago)

A preformed item of various shapes, and contours, which may have a sandwich or honeycomb core bonded to a metallic or nonmetallic facing material. It is used to enclose integral portions of the fuselage or to form partitions or sections within a wing, empennage, fuselage, nacelle or crew compartment. It may have mounting provisions such as predrilled holes to facilitate installation, but will have no items attached to it except bracket (s) or other securing devices to accommodate its own mounting or support. It may be mounted by means of fasteners, bonding or welding. Excludes:panel, interior lining, aircraft; cover access; cover, access, aircraft; floor (1), aircraft; core material, cellular, structural.

1.062 inches nominal fastener length, 0.750 inches nominal thread length, 3a thread class, right-hand thread direction, double hexagon w/hole head style

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: 0.750 inches nominal
Fastener Length: 1.062 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.330 inches nominal
Width Between Flats: 0.304 inches minimum and 0.313 inches maximum
Extended Washer Diameter: 0.438 inches nominal
Extended Washer Thickness: 0.060 inches minimum and 0.070 inches maximum
Grip Diameter: 0.221 inches minimum and 0.231 inches maximum
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.252 inches minimum and 0.312 inches maximum
Thread Quantity Per Inch: 28
Material: steel corrosion resisting overall
Material Document And Classification: ams 57315 assn std single material 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
MS21280-15	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-522-9440?

The FSCG of the NSN 5306-01-522-9440 is 5306

Does the NSN 5306-01-522-9440 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-522-9440 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 5306-01-522-9440 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-522-9440 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 5306-01-522-9440 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Fri, Aug 13, 2004