PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

DESCALEScale Removing Compound

Rite-Kem, Inc. Dba Rite-Kem Inc · NSN 6850-00-637-6142 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-00-637-6142 — this item is cataloged by the U.S. Government under National Stock Number 6850-00-637-6142. Primary manufacturer part number: DESCALE.
Features
  • Scale Removing Compound — FSC 6850
  • Inhibitor: INCLUDED
  • Major Chemical: SULFAMIC ACID
  • Inhibitor Composition: 1,3-DIETHYLTHIOUREA
  • 13 verified cross-references
  • Primary manufacturer: Rite-Kem, Inc. Dba Rite-Kem Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Scale Removing Compound, cataloged under National Stock Number 6850-00-637-6142, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Rite-Kem, Inc. Dba Rite-Kem Inc. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 13 commercial cross-references from 11 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6850-00-637-6142
Primary Part NumberDESCALE
Item NameScale Removing Compound
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerRite-Kem, Inc. Dba Rite-Kem Inc
StatusCANCELLED
InhibitorINCLUDED
Major ChemicalSULFAMIC ACID
Inhibitor Composition1,3-DIETHYLTHIOUREA
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 7
5120-00-089-3663 INTERCHANGEABLE
Nutdriver Set
6130-00-806-6625 INTERCHANGEABLE
Power Supply
6850-00-949-1397A-A-33 INTERCHANGEABLE
Scale Removing Compound
American Society for Testing and Materials Dba Astm International
6670-01-042-8117 INTERCHANGEABLE
Scale,mail and Parcel Post
5930-01-050-8427 INTERCHANGEABLE
Switch,rotary
6850-01-174-9548 INTERCHANGEABLE
Scale Removing Compound
6130-01-214-1643 INTERCHANGEABLE
Power Supply
Cross-Reference Index
Part NumberManufacturer
SCALE REMOVING COMPOUND Continental Chemical Corp (USA)
OAKITE SR 120 Chemetall Oakite Inc (USA)
P-S-120 TY1 General Services Administration Federal Supply Service (USA)
SUPERSCALES0LVE Magnus Engineered Equipment Llc (USA)
SCALE REMOVING COMPOUND Madison Chemical Co Inc Dba Madison Chemical Co Inc (USA)
SCALE REMOVING COMPOUND Hoffman J L Co Inc (USA)
A-A-19A SCALE REMOVING COMPOUND Bernite Products Inc (USA)
A-A-19 General Services Administration Federal Supply Service (USA)
D-SKALE Hoffman J L Co Inc (USA)
DESCALE PRIMARY Rite-Kem, Inc. Dba Rite-Kem Inc (USA)
A-A-19 Federal Commercial Item Description Promulgated by General Services Administration Washington DC (USA)
ARCID PS 731-4 Omega Chemical Corp (USA)
P-S-120 Federal Specifications Promulgated by General Services Administration Washington DC (USA)
Related Parts
5120-00-089-3663INTERCHANGEABLE
NUTDRIVER SET
6130-00-806-6625INTERCHANGEABLE
POWER SUPPLY
6850-00-949-1397INTERCHANGEABLE
SCALE REMOVING COMPOUND
A-A-33
6670-01-042-8117INTERCHANGEABLE
SCALE,MAIL AND PARCEL POST
5930-01-050-8427INTERCHANGEABLE
SWITCH,ROTARY
6850-01-174-9548INTERCHANGEABLE
SCALE REMOVING COMPOUND
6130-01-214-1643INTERCHANGEABLE
POWER SUPPLY

Frequently Asked Questions

What is NSN 6850-00-637-6142?

NSN 6850-00-637-6142 is a Scale Removing Compound, manufactured by Rite-Kem, Inc. Dba Rite-Kem Inc, classified under FSC 6850 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6850-00-637-6142?

NSN 6850-00-637-6142 has 13 cross-referenced part numbers: SCALE REMOVING COMPOUND (Continental Chemical Corp), OAKITE SR 120 (Chemetall Oakite Inc), P-S-120 TY1 (General Services Administration Federal Supply Service), SUPERSCALES0LVE (Magnus Engineered Equipment Llc), SCALE REMOVING COMPOUND (Madison Chemical Co Inc Dba Madison Chemical Co Inc) and 8 more.

What NSN replaces 6850-00-637-6142?

There are 7 known substitutes for 6850-00-637-6142: 5120-00-089-3663, 6130-00-806-6625, 6850-00-949-1397 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of DESCALE?

Key specifications for DESCALE: Inhibitor: INCLUDED; Major Chemical: SULFAMIC ACID; Inhibitor Composition: 1,3-DIETHYLTHIOUREA. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6850-00-637-6142 still in active supply?

NSN 6850-00-637-6142 is currently cancelled. Check with the Defense Logistics Agency for current availability and authorized substitutes.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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