73E20057-M3

View detailed technical data, stock status, and sourcing information for: 73E20057-M3
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5310 Nuts and Washers

National Stock Number

5310-01-378-3033

Item Name Code

05277

Assigment Date

08/12/1993 (33 years ago)

A valve designed to automatically maintain within close limits a predetermined outlet pressure which may be adjustable within a specified range regardless of the higher fluctuating or constant inlet pressure. It is designed for use with compressed gas(es) and various liquids and may include gauges. It may be inline or cartridge (manifold) design. Excludes:regulator, pressure, medical gas administration apparatus; regulator, oxygen, barometric continuous flow; regulator, oxygen demand; regulator, oxygen diluter demand; and valve(1), fluid pressure regulating, aircraft.

hexagon nut style, prevailing torque with nonmetallic insert locking feature, right-hand thread direction, 4.5 millimeters maximum nut height, 5.5 millimeters nominal width across flats

Product Characteristics

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

Thread Direction: right-hand
Locking Feature: prevailing torque with nonmetallic insert
Nut Style: hexagon
Nut Height: 4.5 millimeters maximum
Width Across Flats: 5.5 millimeters nominal
Thread Series: m
Nominal Thread Size: 3.0 millimeters
Thread Pitch In Millimeters: 0.50
Bearing Surface Type: chamfered or washer faced
Thread Tolerance Class: 6h internal
Material: plastic polyamide (nylon) locking insert
Material: steel corrosion resisting overall except insert
Surface Treatment: phosphate overall except insert

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
73E20057-M3	Hexagon Self-Locking Nut

FAQs

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

What is the FSCG of the NSN 5310-01-378-3033?

The FSCG of the NSN 5310-01-378-3033 is 5310

Does the NSN 5310-01-378-3033 have a Schedule B code assigned?

Yes, the Schedule B code is 7318160000

Does NSN 5310-01-378-3033 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 5310-01-378-3033 contain precious materials?

Item does not contain precious metal.

Does NSN 5310-01-378-3033 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 5310-01-378-3033 was assigned to the Federal Catalog?

It was assigned 33 years ago, on Thu, Aug 12, 1993