MS51861

View detailed technical data, stock status, and sourcing information for: MS51861
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-624-3950

Item Name Code

41756

Assigment Date

12/30/2013 (12 years ago)

A device capable of producing heat from gas, liquid fuel, or an electrical heating element designed for permanent installation in sheet metal ducts of a forced air circulating system. It consists of (1) a finned, steel burner tube, a combustion air blower, a control panel, and a constant level fuel supply system or (2) a device having a heating element which when connected to an electrical source, directly imparts heat. It may be provided with a flanged outer casing to facilitate mounting in planned or existing duct work. Circulation of the heated air is achieved by use of a blower or fan not integral with the heating unit.

9.5 millimeters nominal fastener length, 6.9 millimeters maximum head diameter, pan head style, cross recess type 1 internal drive style, 2.6 millimeters maximum head height

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Fastener Length: 9.5 millimeters nominal
Head Style: pan
Head Diameter: 6.9 millimeters maximum
Head Height: 2.6 millimeters maximum
Internal Drive Style: cross recess type 1
End Item Identification: stryker vehicle
Nonmachine Thread Style: gimlet point (type a, ab or ba)
Nonmachine Nominal Thread Diameter: 3.5 millimeters
Part Name Assigned By Controlling Agency: screw,tapping,pan head,cross recessed,din7981
Material: steel overall
Surface Treatment: zinc overall

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
B3-5X9.5DIN7981A2	Tapping Screw
DIN7981-ST3.5X9.5-A2	Tapping Screw
MS51861	Tapping Screw

FAQs

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

What is the FSCG of the NSN 5305-01-624-3950?

The FSCG of the NSN 5305-01-624-3950 is 5305

Does the NSN 5305-01-624-3950 have a Schedule B code assigned?

Yes, the Schedule B code is 7318140000

Does NSN 5305-01-624-3950 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 5305-01-624-3950 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-624-3950 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 5305-01-624-3950 was assigned to the Federal Catalog?

It was assigned 12 years ago, on Mon, Dec 30, 2013