5305-00-780-1173

Find complete technical information, availability, and procurement data for: 5305-00-780-1173
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-780-1173

Item Name Code

29294

Assigment Date

01/01/1960 (66 years ago)

flat countersunk head style, 0.313 inches minimum and 0.363 inches maximum thread length, 3a thread class, right-hand thread direction, 0.511 inches minimum and 0.541 inches maximum fastener 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: 0.313 inches minimum and 0.363 inches maximum
Fastener Length: 0.511 inches minimum and 0.541 inches maximum
Head Style: flat countersunk
Head Diameter: 0.280 inches minimum and 0.338 inches maximum
Locking Feature: strip threads
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: 0.178 inches minimum and 0.198 inches maximum
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
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches threads
Material: plastic locking feature
Material: steel comp 4140 or steel comp e4340 or steel comp 8740 fastener
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 fastener
Surface Treatment: cadmium and chromate fastener
Surface Treatment Document And Classification: qq-p-416 ty2 cl2 fed spec single treatment response fastener
Thread Series Designator: unjc
Specification/Standard Data: 80205-nas1162 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
NAS1162-3L	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-00-780-1173?

The FSCG of the NSN 5305-00-780-1173 is 5305

Does the NSN 5305-00-780-1173 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-780-1173 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 5305-00-780-1173 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-780-1173 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 5305-00-780-1173 was assigned to the Federal Catalog?

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