SRD304A

View detailed technical data, stock status, and sourcing information for: SRD304A
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-00-557-5558

Item Name Code

03378

Assigment Date

01/01/1963 (63 years ago)

An indicator which indicates the pressure of a gas or liquid in a given system.

26.0 volts nominal dc voltage rating, ac current type, 3.250 inches nominal width, letters fluorescent and lined increments fluorescent and numerals fluorescent scale marking and surface finish, 5.156 inches nominal length

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: letters fluorescent and lined increments fluorescent and numerals fluorescent
Width: 3.250 inches nominal
Length: 5.156 inches nominal
Current Type: ac
Dc Voltage Rating: 26.0 volts nominal
Frequency Rating: 400.0 hertz nominal
Contact Quantity: 7
Contact Type: pin
Scale Range: +0.1 to 200.0 pounds per square inch single indicator single scale
Individual Marking: 1; 2
Electrical Connection Quantity: 1
Electrical Connection Identifying Number: and10066a-16s-1p or 10066d-16s-1p
Illumination Color Generation Method: fluorescence
Mounting Stud Diameter: 0.170 inches nominal
Accuracy Rating: 10.0 pounds per square inch single indicator single scale
Features Provided: encapsulated
Phase: single
Height: 3.250 inches nominal
Nondefinitive Spec/Std Data: b/9c/12 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Below is a list of NSNs that have been officially superseded by this NSN: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
6620-00-188-2556	No Name Available	10/19/1980
6620-00-526-5742	No Name Available	06/29/1970
6620-00-531-3966	No Name Available	07/17/1970

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
6300A2A1A4	Pressure Indicator
B9C12	Pressure Indicator
SRD304A	Pressure Indicator

FAQs

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

What is the FSCG of the NSN 6620-00-557-5558?

The FSCG of the NSN 6620-00-557-5558 is 6620

Does the NSN 6620-00-557-5558 have a Schedule B code assigned?

Yes, the Schedule B code is 9031808080

Does NSN 6620-00-557-5558 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 6620-00-557-5558 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-00-557-5558 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 6620-00-557-5558 was assigned to the Federal Catalog?

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