ST-504

View detailed technical data, stock status, and sourcing information for: ST-504
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-01-432-9779

Item Name Code

16014

Assigment Date

06/19/1996 (30 years ago)

A nut having one convex, spherical bearing surface and 6 flat sides. Items may have a removable collar. An integral feature is incorporated for locking on the threads of a mating member. See also nut (1), self-locking, cone seat, hexagon.

1.297 inches minimum thread length, 2.094 inches nominal fastener length, flat fillister head style, right-hand thread direction, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class: 2a
Thread Direction: right-hand
Thread Length: 1.297 inches minimum
Fastener Length: 2.094 inches nominal
Head Style: flat fillister
Head Diameter: 0.785 inches nominal
Head Height: 0.656 inches nominal
Shoulder Diameter: 0.606 inches minimum and 0.612 inches maximum first shoulder
Shoulder Length: 0.656 inches nominal first shoulder
Rib Quantity: 1
Nominal Thread Diameter: 0.500 inches
Thread Quantity Per Inch: 20
Shoulder Shape: ribbed first shoulder
Material: steel overall
Material Document And Classification: sae j429, grade 8 assn std single material response overall
Surface Treatment: zinc and chromate overall
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
ST-504	Ribbed Shoulder Bolt
ST-5404	Ribbed Shoulder Bolt

FAQs

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

What is the FSCG of the NSN 5306-01-432-9779?

The FSCG of the NSN 5306-01-432-9779 is 5306

Does the NSN 5306-01-432-9779 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-01-432-9779 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 5306-01-432-9779 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-01-432-9779 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 5306-01-432-9779 was assigned to the Federal Catalog?

It was assigned 30 years ago, on Wed, Jun 19, 1996