5310-01-203-5304

Find complete technical information, availability, and procurement data for: 5310-01-203-5304
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-203-5304

Item Name Code

01855

Assigment Date

03/15/1985 (41 years ago)

An internally threaded nut which has either an internal seat or shoulder and/or is designed to be used with a ferrule, to mate with the seat of an externally threaded tube fitting to form a leakproof connection. Excludes:nut (1), tube coupling, reducing; and nut (1), union.

0.741 inches minimum and 0.752 inches maximum width across flats, 3b thread class, 18 thread quantity per inch, unjf thread series, 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
Width Across Flats: 0.741 inches minimum and 0.752 inches maximum
Thread Series: unjf
Thread Quantity Per Inch: 18
Nominal Thread Size: 0.625 inches
Countersink Angle: 90.0 degrees nominal cap
Bearing Surface Type: flat
Part Name Assigned By Controlling Agency: navy special project
Material: steel comp 630 overall
Material Document And Classification: ams 5643 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
76Z7006-1	Cap Plain Nut

FAQs

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

What is the FSCG of the NSN 5310-01-203-5304?

The FSCG of the NSN 5310-01-203-5304 is 5310

Does the NSN 5310-01-203-5304 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-203-5304 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 5310-01-203-5304 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-203-5304 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 5310-01-203-5304 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Fri, Mar 15, 1985