5306-01-421-5074

Find complete technical information, availability, and procurement data for: 5306-01-421-5074
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-421-5074

Item Name Code

15903

Assigment Date

11/09/1995 (30 years ago)

A tubular shaped item with a round or hexagon peripheral shape having two flat bearing surfaces perpendicular to the axis of the centrally located hole. It is designed to maintain a predetermined distance between assembled parts. The item may be with or without flange(s) of any peripheral shape. The overall length must exceed 25 percent of the outside diameter or distance across peripheral flats of the body. (when the length, outside diameter, and/or distance across peripheral flats are designed as a tolerance, the maximum dimension will be used to determine compliance). For items having other than a round or hexagon peripheral shape, see spacer, plate. Excludes:items with lubricating features, see bearing, sleeve and bushing, sleeve. See also bushing, tapered; spacer, ring; washer, flat; and washer, (as modified).

3a thread class, right-hand thread direction, dished hexagon head style, 0.323 inches nominal thread length, 1.620 inches minimum and 1.650 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: 0.323 inches nominal
Fastener Length: 1.620 inches minimum and 1.650 inches maximum
Head Style: dished hexagon
Head Height: 0.110 inches minimum and 0.125 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Grip Diameter: 0.1890 inches minimum and 0.1895 inches maximum
Shank Unthreaded Hole Diameter: 0.070 inches minimum and 0.080 inches maximum first hole
Nominal Thread Diameter: 0.190 inches
Grip Length: 1.302 inches minimum and 1.322 inches maximum
Features Provided: finished head
Thread Quantity Per Inch: 32
Minimum Tensile Strength: 160000 pounds per square inch
Distance From Head Largest Bearing Surface To Shank Hole Center: 1.461 inches minimum and 1.481 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: iron alloy 660 overall
Material Document And Classification: ams5731 assn std single material response or ams5737 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas6303 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
NAS6303-21D	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-421-5074?

The FSCG of the NSN 5306-01-421-5074 is 5306

Does the NSN 5306-01-421-5074 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-421-5074 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 5306-01-421-5074 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-421-5074 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 5306-01-421-5074 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Thu, Nov 9, 1995