5305-00-978-9385

Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-978-9385

Item Name Code

16282

Assigment Date

01/01/1962 (63 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.

3a thread class, 0.969 inches minimum and 1.000 inches maximum fastener length, flat chamfer head style, 0.869 inches minimum and 0.900 inches maximum thread length, right-hand thread direction

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: 0.869 inches minimum and 0.900 inches maximum
Fastener Length: 0.969 inches minimum and 1.000 inches maximum
Head Style: flat chamfer
Head Diameter: 0.365 inches minimum and 0.375 inches maximum
Head Height: 0.244 inches minimum and 0.250 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.187 inches minimum and 0.190 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Minimum Yield Strength: 130000 pounds per square inch
Material: steel overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2,cl 3 fed spec all treatment responses overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially replaced by the NSN 5305-00-978-9385

NSN	Name	Date
5305-00-057-1267	No Name Available	06/01/1980
5305-00-445-8554	No Name Available	10/01/1988
5305-00-638-1354	No Name Available	02/13/1970
5305-01-132-3373	No Name Available	12/01/1983

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
509440-48	Socket Head Cap Screw
5305009789385	Socket Head Cap Screw
5305PL1336530	Socket Head Cap Screw
6300765-62	Socket Head Cap Screw
99-4406-06	Socket Head Cap Screw
B4525-304-52	Socket Head Cap Screw
MS-16997-62	Socket Head Cap Screw
MS16997-62	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 5305-00-978-9385

What is the FSCG of the NSN 5305-00-978-9385?

The FSCG of the NSN 5305-00-978-9385 is 5305

Does the NSN 5305-00-978-9385 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-978-9385 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 5305-00-978-9385 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-978-9385 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 5305-00-978-9385 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Mon, Jan 1, 1962