FFB571TYPEC2CLASSC

View detailed technical data, stock status, and sourcing information for: FFB571TYPEC2CLASSC
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5306 Bolts

National Stock Number

5306-00-208-2091

Item Name Code

15939

Assigment Date

01/01/1963 (63 years ago)

3.500 inches nominal fastener length, 2a thread class, button head style, right-hand thread direction, 0.750 inches minimum 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: 2a
Thread Direction: right-hand
Thread Length: 0.750 inches minimum
Fastener Length: 3.500 inches nominal
Head Style: button
Head Diameter: 0.563 inches nominal
Head Height: 0.125 inches nominal
Neck Length: 0.219 inches nominal
Nominal Thread Diameter: 0.250 inches
Features Provided: square nut
Thread Quantity Per Inch: 20
Neck Width: 0.250 inches nominal
Material: steel overall
Material Document And Classification: ff-b-571 fed spec single material response overall
Surface Treatment: cadmium or zinc overall
Surface Treatment Document And Classification: qq-p-416 fed spec 1st treatment response or qq-z-325 fed spec 2nd treatment response overall
Thread Series Designator: unc
Nondefinitive Spec/Std Data: c2 type

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
FFB571TYPEC2CLASSC	Square Neck Bolt

FAQs

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

What is the FSCG of the NSN 5306-00-208-2091?

The FSCG of the NSN 5306-00-208-2091 is 5306

Does the NSN 5306-00-208-2091 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5306-00-208-2091 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 5306-00-208-2091 contain precious materials?

Precious metal content is unknown

Does NSN 5306-00-208-2091 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 5306-00-208-2091 was assigned to the Federal Catalog?

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