5305-01-218-3166

Find complete technical information, availability, and procurement data for: 5305-01-218-3166
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-218-3166

Item Name Code

29294

Assigment Date

10/10/1985 (40 years ago)

pan no. 2 head style, right-hand thread direction, 3.261 inches minimum and 3.291 inches maximum fastener length, 0.251 inches minimum and 0.301 inches maximum thread length, 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
Thread Length: 0.251 inches minimum and 0.301 inches maximum
Fastener Length: 3.261 inches minimum and 3.291 inches maximum
Head Style: pan no. 2
Head Diameter: 0.265 inches minimum and 0.270 inches maximum
Head Height: 0.088 inches minimum and 0.102 inches maximum
Hole Diameter: 0.034 inches minimum and 0.042 inches maximum
Grip Diameter: 0.1625 inches minimum and 0.1635 inches maximum
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.164 inches
Grip Length: 2.990 inches minimum and 3.010 inches maximum
Hole Quantity: 2
Hole Type: drilled
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 36.0 rockwell c minimum and 40.0 rockwell c maximum overall
Hole Configuration Style: round longitudinal hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp 4140 or steel comp e4340 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 and chromate overall
Surface Treatment Document And Classification: qq-p-416,type 2,class 2 fed spec single treatment response overall
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1122 professional/industrial association standard

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
NAS1122-48H	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-218-3166?

The FSCG of the NSN 5305-01-218-3166 is 5305

Does the NSN 5305-01-218-3166 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-218-3166 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 5305-01-218-3166 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-218-3166 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 5305-01-218-3166 was assigned to the Federal Catalog?

It was assigned 40 years ago, on Thu, Oct 10, 1985