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Technical Data Sheet
PartsTable / COMPONENT / A-A-19
A-A-19 ✓ Verified by PartsTable
— · COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The SCALE REMOVING COMPOUND is a the manufacturer industrial component. Key specifications include inhibitor: INCLUDED, major_chemical: SULFAMIC ACID, nondefinitive_spec/std_data: I TYPE, quantity_within_each_unit_package: 10.0 POUNDS LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6850-00-637-6142, indicating validated use in U.S.

government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels. Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
A-A-19
NSN: 6850-00-637-6142
FSC: 6850
CAGE: 80244 — GENERAL SERVICES ADMINISTRATION FEDERAL SUPPLY SERVICE (USA)
SPECIFICATIONS
inhibitorINCLUDED
major_chemicalSULFAMIC ACID
nondefinitive_spec/std_dataI TYPE
quantity_within_each_unit_package10.0 POUNDS LBS
NSN6850-00-637-6142
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SCALE REMOVING COMPOUND TITLE COMPONENT PN A-A-19 MFR SCALE REMOVING COMPOUN
KEY FEATURES
•
INHIBITOR: INCLUDED
•
MAJOR CHEMICAL: SULFAMIC ACID
•
INHIBITOR COMPOSITION: 1,3-DIETHYLTHIOUREA
TECHNICAL CHARACTERISTICS (FLIS)
INHIBITORINCLUDED
MAJOR CHEMICALSULFAMIC ACID
INHIBITOR COMPOSITION1,3-DIETHYLTHIOUREA
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
PS120Interchangeable
interchangeable cross-reference
interchangeable
XE-PS-120Interchangeable
interchangeable cross-reference
interchangeable
3-60913-1Interchangeable
interchangeable cross-reference
interchangeable
220Interchangeable
interchangeable cross-reference
interchangeable
A-A-33Interchangeable
interchangeable cross-reference
interchangeable
A-A-19Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-19?
A-A-19 is a SCALE REMOVING COMPOUND.
What parts can replace A-A-19?
There are 13 known substitutes for A-A-19: PS120, XE-PS-120, 3-60913-1 and 10 more. Substitute compatibility should be verified for your specific system.
Is A-A-19 still available?
A-A-19 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026