MS51966-54

View detailed technical data, stock status, and sourcing information for: MS51966-54
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-059-0195

Item Name Code

06672

Assigment Date

04/06/1978 (48 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. It may have an unthreaded portion with a diameter less than, equal to, or greater than the diameter of the threaded portion. It has either a vertically flattened, circular knurled, splined or smoothed, or wing type head, all of which are designed for rotation by the thumb and fingers. For items having wrenching facilities such as socket recess, multiple spline or slot heads, use screw (as modified) or bolt (as modified).

0.730 inches minimum and 0.770 inches maximum fastener length, right-hand thread direction, 0.738 inches maximum thread length, 3a thread class, headless (setscrew) head style

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: 0.738 inches maximum
Fastener Length: 0.730 inches minimum and 0.770 inches maximum
Head Style: headless (setscrew)
Point Style: flat
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.094 inches nominal
Thread Quantity Per Inch: 32
Hardness Rating: 45.0 rockwell c minimum and 53.0 rockwell c maximum overall
Special Features: one hole thru socket drive 0.038 in. min dia to 0.043 in. max dia,0.040 in. min to 0.060 in. max from largest bearing surface of head to center of hole
Material: steel comp 4037 or steel comp 4137 or steel comp 4140 or steel comp 8630 or steel comp 8740 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
Departure From Cited Document: as modified by feat

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
529091	Setscrew
MS51966-54	Setscrew

FAQs

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

What is the FSCG of the NSN 5305-01-059-0195?

The FSCG of the NSN 5305-01-059-0195 is 5305

Does the NSN 5305-01-059-0195 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-059-0195 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 5305-01-059-0195 contain precious materials?

Precious metal content is unknown

Does NSN 5305-01-059-0195 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 5305-01-059-0195 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Thu, Apr 6, 1978