276351

View detailed technical data, stock status, and sourcing information for: 276351
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-522-1486

Item Name Code

04905

Assigment Date

01/01/1963 (63 years ago)

right-hand thread direction, 2.178 inches minimum and 2.198 inches maximum fastener length, double hexagon w/hole head style, 3a thread class, 1.658 inches minimum and 1.708 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: 1.658 inches minimum and 1.708 inches maximum
Fastener Length: 2.178 inches minimum and 2.198 inches maximum
Head Style: double hexagon w/hole
Head Height: 0.272 inches minimum and 0.292 inches maximum
Width Between Flats: 0.300 inches minimum and 0.315 inches maximum
Extended Washer Diameter: 0.465 inches minimum and 0.485 inches maximum
Extended Washer Thickness: 0.060 inches minimum and 0.080 inches maximum
Shoulder Diameter: 0.311 inches nominal first shoulder
Shoulder Diameter: 0.312 inches nominal second shoulder
Shoulder Length: 0.150 inches nominal second shoulder
Shoulder Length: 0.175 inches nominal first shoulder
Hole Diameter: 0.070 inches nominal
Nominal Thread Diameter: 0.250 inches
Hole Quantity: 4
Hole Type: drilled
Thread Quantity Per Inch: 28
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: double hexagon longitudinal hole
Criticality Code Justification: supp
Shoulder Shape: round first shoulder
Special Features: shoulder furtherest from head threaded 0.312-32 by 3a fit
Material: steel comp 8740 overall
Material Document And Classification: ams 6322 assn std single material response overall
Surface Treatment: cadmium overall
Surface Treatment Document And Classification: ams 2400 assn std single treatment response overall
Supplementary Features: failure could cause catastrophic or critical failure resulting in the loss of or serious damage to the aircraft. wpn sys or uncommanded engine shutdown
Thread Series Designator: unf

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
276351	Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-522-1486?

The FSCG of the NSN 5306-00-522-1486 is 5306

Does the NSN 5306-00-522-1486 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-522-1486 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 5306-00-522-1486 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-522-1486 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 5306-00-522-1486 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963