5305-01-256-5199

Find complete technical information, availability, and procurement data for: 5305-01-256-5199
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-256-5199

Item Name Code

16282

Assigment Date

06/05/1987 (39 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

right-hand thread direction, 3a thread class, flat chamfer head style, 0.604 inches minimum and 0.609 inches maximum fastener length, 0.542 inches minimum and 0.609 inches maximum thread 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: 3a
Thread Direction: right-hand
Thread Length: 0.542 inches minimum and 0.609 inches maximum
Fastener Length: 0.604 inches minimum and 0.609 inches maximum
Head Style: flat chamfer
Head Diameter: 0.218 inches minimum and 0.226 inches maximum
Head Height: 0.134 inches minimum and 0.138 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.138 inches
Width Across Flats: 0.109 inches minimum and 0.111 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Criticality Code Justification: supp
Special Features: supplemental coating with chromate optional no min. thickness required,but 100 percent coverage is required
Material: steel overall
Nuclear Hardness Critical Feature: hardened
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: mil-std-865 mil std single treatment response overall
Supplementary Features: item has other critical features such as tolerance, fit restrictions or application as well as being nuclear hard
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
47B530980P4	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-256-5199?

The FSCG of the NSN 5305-01-256-5199 is 5305

Does the NSN 5305-01-256-5199 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-256-5199 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 5305-01-256-5199 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-256-5199 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 5305-01-256-5199 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Fri, Jun 5, 1987