21C1577-10

View detailed technical data, stock status, and sourcing information for: 21C1577-10
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-946-8275

Item Name Code

01847

Assigment Date

03/25/1966 (60 years ago)

A cylindrical device in which the inner or outer ring turns upon a single or double row of hardened balls which roll easily between the two rings, thus minimizing friction. For items with faces specially ground for duplex mounting see bearing,ball,duplex. Excludes:bearing,ball,airframe.

0.792 inches minimum thread length, 1.000 inches nominal fastener length, double hexagon w/hole head style, 3a thread class, right-hand thread direction

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: 0.792 inches minimum
Fastener Length: 1.000 inches nominal
Head Style: double hexagon w/hole
Head Height: 0.375 inches nominal
Width Between Flats: 0.367 inches minimum and 0.376 inches maximum
Extended Washer Diameter: 0.500 inches nominal
Extended Washer Thickness: 0.075 inches nominal
Hole Diameter: 0.062 inches nominal
Nominal Thread Diameter: 0.312 inches
Grip Length: 0.208 inches nominal
Hole Quantity: 4
Hole Type: drilled
Features Provided: finished head
Thread Quantity Per Inch: 24
Hardness Rating: 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
Hole Configuration Style: double hexagon longitudinal hole
Surface Finish: 32.0 microinches threads
Surface Finish: 63.0 microinches bearing surface of head
Surface Finish: 63.0 microinches grip
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
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
21C1577-10	Machine Bolt
R1425P013L	Machine Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-946-8275?

The FSCG of the NSN 5306-00-946-8275 is 5306

Does the NSN 5306-00-946-8275 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-946-8275 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 5306-00-946-8275 contain precious materials?

Item does not contain precious metal.

Does NSN 5306-00-946-8275 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 5306-00-946-8275 was assigned to the Federal Catalog?

It was assigned 60 years ago, on Fri, Mar 25, 1966