5305-00-780-1171

Find complete technical information, availability, and procurement data for: 5305-00-780-1171
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-780-1171

Item Name Code

29294

Assigment Date

01/01/1960 (66 years ago)

1.922 inches minimum and 1.952 inches maximum fastener length, flat countersunk head style, 3a thread class, right-hand thread direction, 0.350 inches minimum and 0.400 inches maximum thread length

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: 0.350 inches minimum and 0.400 inches maximum
Fastener Length: 1.922 inches minimum and 1.952 inches maximum
Head Style: flat countersunk
Head Diameter: 0.577 inches minimum and 0.635 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Shank Unthreaded Hole Diameter: 0.076 inches minimum and 0.086 inches maximum first hole
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.312 inches
Grip Length: 1.552 inches minimum and 1.572 inches maximum
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
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.793 inches minimum and 1.833 inches maximum first hole
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Material: steel comp e4340 or steel comp 4140 or steel comp 8740 or steel comp 8735 or steel comp 6150 overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1155 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
NAS1155-25D	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-780-1171?

The FSCG of the NSN 5305-00-780-1171 is 5305

Does the NSN 5305-00-780-1171 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-780-1171 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 5305-00-780-1171 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-780-1171 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 5305-00-780-1171 was assigned to the Federal Catalog?

It was assigned 66 years ago, on Fri, Jan 1, 1960