5305-01-108-0648

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-108-0648

Item Name Code

16282

Assigment Date

02/20/1981 (44 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.

flat chamfer head style, right-hand thread direction, 3a thread class, 0.470 inches minimum and 0.500 inches maximum fastener length, 0.408 inches minimum and 0.500 inches maximum thread length

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, and compliance information.

Thread Class: 3a
Thread Direction: right-hand
Thread Length: 0.408 inches minimum and 0.500 inches maximum
Fastener Length: 0.470 inches minimum and 0.500 inches maximum
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Hole Diameter: 0.044 inches minimum and 0.050 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches minimum and 0.159 inches maximum
Hole Quantity: 6
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 180000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Minimum Yield Strength: 155000 pounds per square inch
Hole Configuration Style: round longitudinal hole
Material: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unrf
Specification/Standard Data: 80205-nas1351 professional/industrial association standard
Nondefinitive Spec/Std Data: 6 type

Related Parts & Specifications

This NSN includes a range of related parts designed for specific operational needs. Review each item below to find in-depth specifications, functional details, and guidance for correct application and replacement.

Part Number	Name
10115022	Socket Head Cap Screw
NAS1351N3H8	Socket Head Cap Screw

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for 5305-01-108-0648

What is the FSCG of the NSN 5305-01-108-0648?

The FSCG of the NSN 5305-01-108-0648 is 5305

Does the NSN 5305-01-108-0648 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-108-0648 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 5305-01-108-0648 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-108-0648 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 5305-01-108-0648 was assigned to the Federal Catalog?

It was assigned 44 years ago, on Fri, Feb 20, 1981