ERU4A

View detailed technical data, stock status, and sourcing information for: ERU4A

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ERU4A
Federal Supply Group
Instruments and Laboratory Equipment
Federal Supply Classification
6620 Engine Instruments
National Stock Number
6620-00-551-3608
Item Name Code
08260
Assigment Date
01/01/1963 (63 years ago)

An instrument for measuring the rate of flow of a fluid through a pipeline. This measurement is indicated on a graduated scale either by means of a float confined in a tube, or pointer connected to a vane, or piston and spring or the like. Excludes:meter, fluid flow indicating, differential pressure; meter, fluid flow indicating, electromagnetic; and meter, fluid flow indicating, ultrasonic.

4.250 inches nominal depth, pin contact type, major graduation luminous and minor graduation luminous scale marking and surface finish, 3 contact quantity, ac current type

Product Characteristics

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

Scale Marking And Surface Finish
major graduation luminous and minor graduation luminous
Current Type
ac
Depth
4.250 inches nominal
Contact Quantity
3
Contact Type
pin
Scale Range
+500.0 to 4000.0 revolutions per minute single indicator single scale
Electrical Connection Quantity
1
Electrical Connection Identifying Number
dwg no. and10066-10sl-3p
Pointer Finish
luminous single pointer
Pointer Type
clock-hand single pointer
Accuracy Rating
100.0 revolutions per minute single indicator single scale
Nondefinitive Spec/Std Data
eru-4/a type
Fsc Application Data
engine instrument aircraft

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
6620-00-526-6632 No Name Available 05/09/1967

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
8DJ43BAE Electrical Tachometer Indicator
8DJ81BAA1 Electrical Tachometer Indicator
ERU4A Electrical Tachometer Indicator
MILI25689 Electrical Tachometer Indicator

FAQs

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

What is the FSCG of the NSN 6620-00-551-3608?
The FSCG of the NSN 6620-00-551-3608 is 6620
Does the NSN 6620-00-551-3608 have a Schedule B code assigned?
Yes, the Schedule B code is 9029900000
Does NSN 6620-00-551-3608 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 6620-00-551-3608 contain precious materials?
Precious metal content is unknown
Does NSN 6620-00-551-3608 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 6620-00-551-3608 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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