5305-01-277-6230

Find complete technical information, availability, and procurement data for: 5305-01-277-6230
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-277-6230

Item Name Code

29294

Assigment Date

04/25/1988 (38 years ago)

right-hand thread direction, flat countersunk head style, 3a thread class, 2.813 inches minimum and 2.843 inches maximum fastener length, 0.428 inches minimum and 0.478 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: 0.428 inches minimum and 0.478 inches maximum
Fastener Length: 2.813 inches minimum and 2.843 inches maximum
Head Style: flat countersunk
Head Diameter: 0.832 inches minimum and 0.890 inches maximum
Grip Diameter: 0.436 inches minimum and 0.437 inches maximum
Shank Unthreaded Hole Diameter: 0.096 inches minimum and 0.116 inches maximum first hole
Internal Drive Style: offset cruciform (torque set)
Nominal Thread Diameter: 0.438 inches
Grip Length: 2.365 inches minimum and 2.385 inches maximum
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 160000 pounds per square inch
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Distance From Head Largest Bearing Surface To Shank Hole Center: 2.694 inches minimum and 2.714 inches maximum first 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 4340 or steel comp 8740 overall
Material Document And Classification: mil-s-5626 mil spec 1st material response or mil-s-8844 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 ty 2 cl 2 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1157 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
NAS1157-38D	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-277-6230?

The FSCG of the NSN 5305-01-277-6230 is 5305

Does the NSN 5305-01-277-6230 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-277-6230 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 5305-01-277-6230 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-277-6230 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 5305-01-277-6230 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Apr 25, 1988