SM-C-800983-51

View detailed technical data, stock status, and sourcing information for: SM-C-800983-51
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-243-9352

Item Name Code

16282

Assigment Date

11/05/1986 (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.

round head style, right-hand thread direction, 3a thread class, 0.413 inches minimum and 0.516 inches maximum thread length, 0.484 inches minimum and 0.516 inches maximum fastener 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: 0.413 inches minimum and 0.516 inches maximum
Fastener Length: 0.484 inches minimum and 0.516 inches maximum
Head Style: round
Head Diameter: 0.419 inches minimum and 0.437 inches maximum
Head Height: 0.122 inches minimum and 0.132 inches maximum
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.1562 inches minimum and 0.1582 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 45.0 rockwell c maximum overall
Material: steel comp 1320 or steel comp 1330 or steel comp 3115 or steel comp 4012 or steel comp 4023 or steel comp 4130 or steel comp 4340 or steel comp 4427 or steel comp 8615 or steel comp 8740 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2 class 3 fed spec single treatment response overall
Thread Series Designator: unf

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
SM-C-800983-51	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-243-9352?

The FSCG of the NSN 5305-01-243-9352 is 5305

Does the NSN 5305-01-243-9352 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-243-9352 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 5305-01-243-9352 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-243-9352 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 5305-01-243-9352 was assigned to the Federal Catalog?

It was assigned 39 years ago, on Wed, Nov 5, 1986