91771A120

View detailed technical data, stock status, and sourcing information for: 91771A120
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-621-2636

Item Name Code

06657

Assigment Date

08/29/2013 (12 years ago)

An item of various configuration that is an integral member of the airframe structure. It is specifically designed for the purpose of maintaining, positioning, joining, and strengthening the aircraft structure. It may include holes for mounting purposes or to form an assembly.

1.933 inches nominal thread length, 2.000 inches nominal fastener length, flat countersunk head style, 2a thread class, 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: 2a
Thread Direction: right-hand
Thread Length: 1.933 inches nominal
Fastener Length: 2.000 inches nominal
Head Style: flat countersunk
Head Diameter: 0.212 inches nominal
Internal Drive Style: cross recess type 1
End Item Identification: 6625-01-607-6675
Nominal Thread Diameter: 0.112 inches
Thread Quantity Per Inch: 40
Countersink Angle: 82.0 degrees nominal
Part Name Assigned By Controlling Agency: 18-8 stainless steel phillips flat head machine screw
Screw Material: steel comp 302
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
1-PFM-4C-200	Machine Screw
91771A120	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-621-2636?

The FSCG of the NSN 5305-01-621-2636 is 5305

Does the NSN 5305-01-621-2636 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-621-2636 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 5305-01-621-2636 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-621-2636 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 5305-01-621-2636 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Thu, Aug 29, 2013