5306-01-273-2276

Find complete technical information, availability, and procurement data for: 5306-01-273-2276
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-273-2276

Item Name Code

15903

Assigment Date

02/22/1988 (38 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.

1.208 inches minimum and 1.228 inches maximum fastener length, right-hand thread direction, double hexagon extended washer head style, 3a thread class, 0.583 inches minimum and 0.593 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: 0.583 inches minimum and 0.593 inches maximum
Fastener Length: 1.208 inches minimum and 1.228 inches maximum
Head Style: double hexagon extended washer
Head Height: 0.309 inches minimum and 0.329 inches maximum
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Extended Washer Diameter: 0.575 inches minimum and 0.585 inches maximum
Extended Washer Thickness: 0.040 inches minimum and 0.060 inches maximum
Grip Diameter: 0.3110 inches minimum and 0.3120 inches maximum
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.625 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 220000 pounds per square inch
Hardness Rating: 46.0 rockwell c minimum and 50.0 rockwell c maximum overall
Surface Finish: 32.0 microinches bearing surface of head
Surface Finish: 32.0 microinches grip
Surface Finish: 32.0 microinches threads
Material: steel comp h11 overall
Material Document And Classification: ams 6487 assn std single material response overall
Surface Treatment: nickel and cadmium and chromate overall
Surface Treatment Document And Classification: ams 2416 assn std single treatment response overall
Thread Series Designator: unjf
Specification/Standard Data: 80205-nas1785 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
NAS1785-5-10	Shear Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-273-2276?

The FSCG of the NSN 5306-01-273-2276 is 5306

Does the NSN 5306-01-273-2276 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-273-2276 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 5306-01-273-2276 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-273-2276 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 5306-01-273-2276 was assigned to the Federal Catalog?

It was assigned 38 years ago, on Mon, Feb 22, 1988