5305-01-521-9331

Find complete technical information, availability, and procurement data for: 5305-01-521-9331
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-521-9331

Item Name Code

06657

Assigment Date

07/12/2004 (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.

right-hand thread direction, 2a thread class, flat countersunk head style, 1.125 inches nominal thread length, 1.063 inches minimum and 1.125 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: 1.125 inches nominal
Fastener Length: 1.063 inches minimum and 1.125 inches maximum
Head Style: flat countersunk
Head Diameter: 0.333 inches minimum and 0.385 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 24
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel corrosion resisting
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
MS24693-C77	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-521-9331?

The FSCG of the NSN 5305-01-521-9331 is 5305

Does the NSN 5305-01-521-9331 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-521-9331 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 5305-01-521-9331 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-521-9331 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 5305-01-521-9331 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Mon, Jul 12, 2004