SR4B

View detailed technical data, stock status, and sourcing information for: SR4B
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Federal Supply Group

Instruments and Laboratory Equipment

Federal Supply Classification

6620 Engine Instruments

National Stock Number

6620-00-557-0363

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, 4 contact quantity, numerals fluorescent and lined increments fluorescent scale marking and surface finish, 400.0 hertz nominal frequency rating, 26.0 volts nominal dc voltage rating

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
Current Type: ac
Dc Voltage Rating: 26.0 volts nominal
Frequency Rating: 400.0 hertz nominal
Contact Quantity: 4
Contact Type: pin
Scale Range: +0.1 to 200.0 pounds per square inch single indicator single scale
Electrical Connection Quantity: 1
Electrical Connection Identifying Number: an3102-14s-2p
Illumination Color Generation Method: fluorescence
Accuracy Rating: 10.0 pounds per square inch single indicator single scale
Features Provided: encapsulated
Phase: single
Special Features: overall dimensions per mil-i-7087 and ms 28010-3

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
6620-00-512-1809	No Name Available	06/10/1966
6620-00-515-4594	No Name Available	01/01/1963
6620-00-526-5083	No Name Available	01/01/1960
6620-00-526-5085	No Name Available	04/15/1968
6620-00-526-5379	No Name Available	01/01/1960
6620-00-526-5403	No Name Available	03/25/1968
6620-00-908-4152	No Name Available	01/01/1960

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
1558-041043	Pressure Indicator
18-2025	Pressure Indicator
25100A2C1B1	Pressure Indicator
25101A2C1B1	Pressure Indicator
25122A2C1A1	Pressure Indicator
3571212-0025	Pressure Indicator
86425-2	Pressure Indicator
MIL-I-7087	Pressure Indicator
MS28010-3	Pressure Indicator
SR4B	Pressure Indicator
SR4D	Pressure Indicator

FAQs

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

What is the FSCG of the NSN 6620-00-557-0363?

The FSCG of the NSN 6620-00-557-0363 is 6620

Does the NSN 6620-00-557-0363 have a Schedule B code assigned?

Yes, the Schedule B code is 9031808080

Does NSN 6620-00-557-0363 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 6620-00-557-0363 contain precious materials?

Item does not contain precious metal.

Does NSN 6620-00-557-0363 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 6620-00-557-0363 was assigned to the Federal Catalog?

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