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

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Below is a list of NSNs that have been officially superseded by this NSN: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