SR4B

Pressure Indicator

This page provides complete and verified information for part number SR4B, NSN 6620-00-557-0363

You’ll find detailed technical specifications, product attributes, condition classification, and real-time stock availability. All data is based on official records and meets industry standards for defense, aerospace, and industrial sourcing. Whether you’re performing a parts audit, validating compliance, or preparing a purchase order, this part listing supports accurate and efficient procurement.

SR4B
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, numerals fluorescent and lined increments fluorescent scale marking and surface finish, 400.0 hertz nominal frequency rating, 4 contact quantity, 26.0 volts nominal dc voltage rating

Characteristics

Below are the official specifications and performance details for this part, including technical data, material composition, 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

Classification Data

Detailed NSN information including identification codes, classification data, and key indicators used for cataloging, logistics, and supply management.

Type of Item Identification
4 - Partial descriptive item identification (type 1 concept)
Demilitarization
A - 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.
Criticality
X - The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.
Federal Item Identification Guide
A533Y0
Precious Metals Indicator
A - Item does not contain precious metal.
Pseudo Item Name Code
0003378
Hazardous Material Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Schedule B Code
9031808080

Freight Information

Comprehensive freight classifications, shipping codes, and handling specifications for domestic and international transport compliance.

Major Organizational Entity
XX
National Motor Freight Classification Item Number
121570
National Motor Freight Classification Sub-Item Number
X
Uniform Freight Classification Item Number
61770
National Motor Freight Class Rating
J - 100.0
Water Commodity
652 - Instruments, scientific
Type of Cargo
Z - No special type of cargo code applicable
Special Hand
9 - Other or no special handling required (sh)
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Air Commodity
HZ -
National Motor Freight Description
gages air liquid level pressure

FAQs

Get insights on installation procedures, operating conditions, care instructions, industry regulations, and common issues. FAQs below provide key information for SR4B

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

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