5305-01-197-2551

Find complete technical information, availability, and procurement data for: 5305-01-197-2551
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-197-2551

Item Name Code

29294

Assigment Date

12/19/1984 (41 years ago)

flat countersunk head style, 0.380 inches minimum and 0.447 inches maximum thread length, right-hand thread direction, 2.390 inches minimum and 2.437 inches maximum fastener 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: 0.380 inches minimum and 0.447 inches maximum
Fastener Length: 2.390 inches minimum and 2.437 inches maximum
Head Style: flat countersunk
Head Diameter: 0.376 inches minimum and 0.385 inches maximum
Grip Diameter: 0.1885 inches minimum and 0.1894 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches nominal first hole
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.990 inches minimum and 2.010 inches maximum
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Hardness Rating: 38.0 rockwell c minimum and 40.0 rockwell c maximum overall
Countersink Angle: 100.0 degrees nominal
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.267 inches nominal first hole
Material: steel comp 4140 or steel comp 4340 or steel comp 8740 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty 2 cl 3 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas333 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
NAS333CP23	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-197-2551?

The FSCG of the NSN 5305-01-197-2551 is 5305

Does the NSN 5305-01-197-2551 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-197-2551 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 5305-01-197-2551 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-197-2551 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 5305-01-197-2551 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Dec 19, 1984