2-56X7/16LG

View detailed technical data, stock status, and sourcing information for: 2-56X7/16LG
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-420-7061

Item Name Code

06657

Assigment Date

10/24/1995 (30 years ago)

A deformable material which prevents the passage of matter through the joint formed when two faces are joined. It may be metallic or nonmetallic, lubricated or impregnated, solid or hollow cross section. It may be made to any predetermined dimension and shape. Excludes:flat disks, items made of felt material and items having joints. For round metal and plastic items with an aperture and a solid rectangular cross section, see washer, flat; shim; bearing, washer, thrust; and spacer ring. Excludes:disk, valve; seal, nonmetallic angle; seal, nonmetallic channel; seal, nonmetallic special shaped section; shielding gasket, electronic; and ring, sealing jar.

right-hand thread direction, 2a thread class, 0.437 inches nominal thread length, 0.437 inches nominal fastener length, flat countersunk undercut 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: 2a
Thread Direction: right-hand
Thread Length: 0.437 inches nominal
Fastener Length: 0.437 inches nominal
Head Style: flat countersunk undercut
Head Diameter: 0.150 inches minimum and 0.176 inches maximum
Head Height: 0.029 inches minimum and 0.036 inches maximum
Internal Drive Style: slot
Nominal Thread Diameter: 0.086 inches
Thread Quantity Per Inch: 56
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 303
Screw Material Document And Classification: qq-s-763 fed spec single material response
Screw Surface Treatment: passivate
Screw Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response
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
2-56X7/16LG	Machine Screw
95010-23	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-420-7061?

The FSCG of the NSN 5305-01-420-7061 is 5305

Does the NSN 5305-01-420-7061 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-420-7061 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 5305-01-420-7061 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-420-7061 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 5305-01-420-7061 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Tue, Oct 24, 1995