SR-3A

View detailed technical data, stock status, and sourcing information for: SR-3A
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-00-557-0362

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.

ac current type, 400.0 hertz nominal frequency rating, 3.312 inches nominal length, 26.0 volts nominal dc voltage rating, numerals fluorescent and lined increments fluorescent scale marking and surface finish

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: numerals fluorescent and lined increments fluorescent
Length: 3.312 inches nominal
Current Type: ac
Dc Voltage Rating: 26.0 volts nominal
Frequency Rating: 400.0 hertz nominal
Contact Quantity: 7
Contact Type: pin
Electrical Connection Quantity: 1
Electrical Connection Identifying Number: and 10066-14s-2p
Illumination Color Generation Method: fluorescence
Phase: single

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6620-00-514-5068	No Name Available	06/22/1966
6620-00-526-6113	No Name Available	07/03/1968
6620-00-526-7723	No Name Available	07/03/1968

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
1558-041041	Pressure Indicator
18-1104	Pressure Indicator
25101A27C1B1	Pressure Indicator
25122-A27C-1-A1	Pressure Indicator
MIL-I-7088	Pressure Indicator
MS28010-4	Pressure Indicator
SR-3A	Pressure Indicator

FAQs

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

What is the FSCG of the NSN 6620-00-557-0362?

The FSCG of the NSN 6620-00-557-0362 is 6620

Does the NSN 6620-00-557-0362 have a Schedule B code assigned?

Yes, the Schedule B code is 9031808080

Does NSN 6620-00-557-0362 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 6620-00-557-0362 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-00-557-0362 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 6620-00-557-0362 was assigned to the Federal Catalog?

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