LMH79-12B4

View detailed technical data, stock status, and sourcing information for: LMH79-12B4
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-047-1859

Item Name Code

33044

Assigment Date

09/01/1977 (48 years ago)

0.855 inches minimum and 0.865 inches maximum fastener length, 0.367 inches minimum and 0.376 inches maximum head diameter, flat chamfer head style, right-hand thread direction, 3a thread class

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
Fastener Length: 0.855 inches minimum and 0.865 inches maximum
Head Style: flat chamfer
Head Diameter: 0.367 inches minimum and 0.376 inches maximum
Head Height: 0.172 inches minimum
Internal Drive Style: hexagon
Material Accommodated Thickness: 0.031 inches minimum and 0.062 inches maximum
Nominal Thread Diameter: 0.250 inches
Width Across Flats: 0.1875 inches minimum and 0.1895 inches maximum
Thread Quantity Per Inch: 28
Minimum Tensile Strength: 160000 pounds per square inch
Material: iron alloy 660 fastener
Material: steel comp 304 stand-off
Material Document And Classification: ams 5731 assn std single material response or ams 5737 assn std single material response or ams 5732 assn std single material response fastener
Material Document And Classification: mil-s-23195 mil spec single material response stand-off
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
965367-117	Panel Screw Assembly
LMH79-1284	Panel Screw Assembly
LMH79-12B4	Panel Screw Assembly

FAQs

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

What is the FSCG of the NSN 5305-01-047-1859?

The FSCG of the NSN 5305-01-047-1859 is 5305

Does the NSN 5305-01-047-1859 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-047-1859 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 5305-01-047-1859 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-047-1859 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 5305-01-047-1859 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Sep 1, 1977