3M891-9

View detailed technical data, stock status, and sourcing information for: 3M891-9
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-472-3474

Item Name Code

01854

Assigment Date

02/29/2000 (26 years ago)

+0.5264 to 0.5308 inches thread pitch diameters, 0.385 inches minimum and 0.405 inches maximum nut height, castellated, hexagon nut style, 3b 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: 3b
Thread Pitch Diameters: +0.5264 to 0.5308 inches
Thread Direction: right-hand
Nut Style: castellated, hexagon
Nut Height: 0.385 inches minimum and 0.405 inches maximum
Width Across Flats: 0.863 inches minimum and 0.877 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Bearing Surface Type: chamfered
Material: steel corrosion resisting overall
Material Document And Classification: ams5731 assn std all material responses or ams5732 assn std all material responses overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec all treatment responses 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
3M891	Nut,plain,castellated,hexagon
3M891-9	Nut,plain,castellated,hexagon
79537-918	Nut,plain,castellated,hexagon
AD3M891-9	Nut,plain,castellated,hexagon
H52351-9	Nut,plain,castellated,hexagon

FAQs

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

What is the FSCG of the NSN 5310-01-472-3474?

The FSCG of the NSN 5310-01-472-3474 is 5310

Does the NSN 5310-01-472-3474 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-472-3474 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 5310-01-472-3474 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-472-3474 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 5310-01-472-3474 was assigned to the Federal Catalog?

It was assigned 26 years ago, on Tue, Feb 29, 2000