1227S253

View detailed technical data, stock status, and sourcing information for: 1227S253
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-00-220-6732

Item Name Code

01857

Assigment Date

01/01/1963 (63 years ago)

A nut having a flat bearing surface and 6 flat sides with slots in its upper portion. It is designed to provide positive locking when used with a solid or split (cotter) pin. Excludes:nut (1), plain, castellated, hexagon.

0.875 inches nominal width across flats, 3b thread class, 0.609 inches nominal nut height, hexagon nut style, 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 Direction: right-hand
Nut Style: hexagon
Nut Height: 0.609 inches nominal
Width Across Flats: 0.875 inches nominal
Thread Series: unf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.562 inches
Bearing Surface Type: washer faced
Material: steel comp 1212 or steel comp 1213 overall
Material Document And Classification: sae assn std single material response overall

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5310-00-010-6639	No Name Available	04/27/1967
5310-00-208-2749	No Name Available	04/27/1967

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
106639	Hexagon Plain Nut
1227S253	Hexagon Plain Nut
84873	Hexagon Plain Nut
C-010-1	Hexagon Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-00-220-6732?

The FSCG of the NSN 5310-00-220-6732 is 5310

Does the NSN 5310-00-220-6732 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-00-220-6732 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 5310-00-220-6732 contain precious materials?

Precious metal content is unknown

Does NSN 5310-00-220-6732 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 5310-00-220-6732 was assigned to the Federal Catalog?

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