1304127-121

View detailed technical data, stock status, and sourcing information for: 1304127-121
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-503-5275

Item Name Code

06675

Assigment Date

07/13/1974 (52 years ago)

3a thread class, right-hand thread direction, 1.225 inches minimum and 1.255 inches maximum thread length, 4.125 inches nominal fastener length, 1.325 inches nominal head height

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: 1.225 inches minimum and 1.255 inches maximum
Fastener Length: 4.125 inches nominal
Head Height: 1.325 inches nominal
Width Between Flats: 1.052 inches minimum and 1.064 inches maximum
Extended Washer Diameter: 0.650 inches nominal
Extended Washer Thickness: 2.070 inches nominal
First Diameter From Head: 1.123 inches minimum and 1.124 inches maximum
Second Diameter From Head: 0.998 inches minimum and 0.999 inches maximum
Third Diameter From Head: 0.872 inches minimum and 0.882 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 2.063 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 2.620 inches nominal
Distance From Largest Bearing Surface Of Head To End Of Third Diameter: 2.870 inches minimum and 2.900 inches maximum
Nominal Thread Diameter: 1.000 inches
Thread Quantity Per Inch: 12
Externally Relieved Body Diameter Quantity: 1
Part Name Assigned By Controlling Agency: navy special project
Material Document And Classification: mil-s-5000 mil spec single material response overall
Surface Treatment: cadmium and chromate overall
Surface Treatment Document And Classification: lc+77-1061 type 2,cage 36659 mfr ref single treatment response overall
Thread Series Designator: unjf

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
1304127-121	Externally Relieved Body Bolt
ASE50327-27	Externally Relieved Body Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-503-5275?

The FSCG of the NSN 5306-00-503-5275 is 5306

Does NSN 5306-00-503-5275 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 5306-00-503-5275 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-503-5275 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 5306-00-503-5275 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Jul 13, 1974