ST2172-09

View detailed technical data, stock status, and sourcing information for: ST2172-09
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-377-4217

Item Name Code

01857

Assigment Date

03/16/1974 (52 years ago)

A ridge item, usually of flat material, formed into a dihedral angle (generally a right angle) which may be reinforced; it is designed to position, align, or support an item(s) in relation to another. Excludes:brace (as modified); bracket (1), mounting; and bracket, shelf.

right-hand thread direction, 0.367 inches minimum and 0.376 inches maximum width across flats, 3b thread class, 0.146 inches minimum and 0.166 inches maximum nut height, hexagon nut style

Product Characteristics

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

Thread Class: 3b
Thread Direction: right-hand
Nut Style: hexagon
Nut Height: 0.146 inches minimum and 0.166 inches maximum
Width Across Flats: 0.367 inches minimum and 0.376 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 32
Nominal Thread Size: 0.190 inches
Countersink Angle: 85.0 degrees minimum and 95.0 degrees maximum nut
Bearing Surface Type: washer faced
Bearing Surface Finish: 63.0 microinches
Material: nickel alloy overall
Material Document And Classification: ams 5709 assn std single material response 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
ST2172-09	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-377-4217?

The FSCG of the NSN 5310-00-377-4217 is 5310

Does the NSN 5310-00-377-4217 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5310-00-377-4217 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 5310-00-377-4217 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-377-4217 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 5310-00-377-4217 was assigned to the Federal Catalog?

It was assigned 52 years ago, on Sat, Mar 16, 1974