5305-01-178-2067

Find complete technical information, availability, and procurement data for: 5305-01-178-2067
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-178-2067

Item Name Code

06672

Assigment Date

05/02/1984 (42 years ago)

An externally threaded device whose threaded portion is of one nominal diameter with or without a head and having a cup, cone, or other type of machined point designed to prevent or restrict relative movement of parts and designed to be driven with either a wrench or inserted driver. A locking feature may be incorporated in the design of the head or threads.

3a thread class, 0.172 inches nominal head height, crowned hexagon head style, 1.125 inches minimum and 1.187 inches maximum fastener length, right-hand thread direction

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: 1.125 inches minimum and 1.187 inches maximum
Head Style: crowned hexagon
Head Height: 0.172 inches nominal
Width Between Flats: 0.490 inches minimum and 0.502 inches maximum
Point Style: flat
Internal Drive Style: w/o internal drive
Nominal Thread Diameter: 0.312 inches
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Special Features: slot 0.061 in. min,0.077 in. max wide,0.097 in. min,0.130 in. max long,end of shank. hole in shank 0.907 in. min,0.969 in. max from head bearing surface. 0.076 in. min,0.081 in. max dia
Material: steel comp e4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5000 mil spec 1st material response or mil-s-6049 mil spec 2nd material response or ams 6322 assn std 2nd material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 2 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
3M940-5-11	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-178-2067?

The FSCG of the NSN 5305-01-178-2067 is 5305

Does the NSN 5305-01-178-2067 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-178-2067 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 5305-01-178-2067 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-178-2067 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 5305-01-178-2067 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Wed, May 2, 1984