5305-01-166-4045

Find complete technical information, availability, and procurement data for: 5305-01-166-4045
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-166-4045

Item Name Code

29294

Assigment Date

11/11/1983 (42 years ago)

A bent hollow item, welded or seamless. It has a round, square or any other cross section, with a continuous periphery. It is primarily designed to convey fluids, gases and/or semisolids. Excludes:items of circular cross section which conform in dimensional characteristics to pipe, metallic; elbow, pipe; elbow, tube; bend, electrical conduit; bend, pipe, return; and bend, tube, return. For items with end fittings on one or both ends, see tube assembly, metal.

0.316 inches nominal thread length, 1.396 inches nominal fastener length, right-hand thread direction, 3a thread class, pan 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: 0.316 inches nominal
Fastener Length: 1.396 inches nominal
Head Style: pan
Head Diameter: 0.464 inches nominal
Head Height: 0.133 inches minimum and 0.150 inches maximum
Grip Diameter: 0.2490 inches nominal
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.250 inches
Grip Length: 0.938 inches nominal
Thread Quantity Per Inch: 28
Hardness Rating: 39.0 rockwell c minimum and 43.0 rockwell c maximum overall
Surface Finish: 32.0 microinches grip
Special Features: 0.076 in. dia hole thru thds
Material: steel comp 4140 or steel comp 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-5000 mil spec 2nd material response or mil-s-6049 mil spec 3rd material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: qq-p-416,ty 2 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
51B222-15H	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-166-4045?

The FSCG of the NSN 5305-01-166-4045 is 5305

Does the NSN 5305-01-166-4045 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-166-4045 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 5305-01-166-4045 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-166-4045 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 5305-01-166-4045 was assigned to the Federal Catalog?

It was assigned 42 years ago, on Fri, Nov 11, 1983