ANSI B18.6.3.2-56UNC-2B

View detailed technical data, stock status, and sourcing information for: ANSI B18.6.3.2-56UNC-2B
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-551-4743

Item Name Code

01857

Assigment Date

10/22/1974 (51 years ago)

2b thread class, 0.180 inches minimum and 0.188 inches maximum width across flats, hexagon nut style, 0.057 inches minimum and 0.066 inches maximum nut height, 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: 2b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.057 inches minimum and 0.066 inches maximum
Width Across Flats: 0.180 inches minimum and 0.188 inches maximum
Thread Series: unc
Thread Quantity Per Inch: 56
Nominal Thread Size: 0.086 inches
Bearing Surface Type: chamfered
Material: steel corrosion resisting overall
Material Document And Classification: 66,comp 18-8 fed std single material response overall
Surface Treatment: passivate overall

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
ANSI B18.6.3.2-56UNC-2B	Hexagon Plain Nut
N226P5	Hexagon Plain Nut
NLLHB05000	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-551-4743?

The FSCG of the NSN 5310-00-551-4743 is 5310

Does the NSN 5310-00-551-4743 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-551-4743 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 5310-00-551-4743 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-551-4743 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 5310-00-551-4743 was assigned to the Federal Catalog?

It was assigned 51 years ago, on Tue, Oct 22, 1974