PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

75-18Phosphoric Acid

Department of the Army · NSN 6810-00-134-6220 · FSC 6810 · No Item Name Available
Verified by PartsTable
NSN 6810-00-134-6220 — this item is cataloged by the U.S. Government under National Stock Number 6810-00-134-6220. Primary manufacturer part number: 75-18.
Features
  • Phosphoric Acid — FSC 6810
  • Quantity Within Each Unit Package: 1.000 POUNDS LBS
  • Composition and Percentage: 85.0 MINIMUM BY WEIGHT PHOSPHORIC ACID
  • Medical Designation and Grade: AMERICAN CHEMICAL SOCIETY
  • 3 verified cross-references
  • Primary manufacturer: Department of the Army
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Phosphoric Acid, cataloged under National Stock Number 6810-00-134-6220, is classified within Federal Supply Class 6810 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Department of the Army. Government technical data includes 3 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Cancelled.

Technical Specifications
ParameterValue
NSN6810-00-134-6220
Primary Part Number75-18
Item NamePhosphoric Acid
FSC / FSG6810 / 68 — No Item Name Available
ManufacturerDepartment of the Army
StatusCANCELLED
Quantity Within Each Unit Package1.000 POUNDS LBS
Composition and Percentage85.0 MINIMUM BY WEIGHT PHOSPHORIC ACID
Medical Designation and GradeAMERICAN CHEMICAL SOCIETY
Lifecycle & Compliance
Acquisition StatusCANCELLED
HAZMATNo
Verified Substitutes 12
5305-00-054-6670 INTERCHANGEABLE
Screw,machine
3040-00-109-4006A2-42 INTERCHANGEABLE
Shaft,straight
Roller Bearing Co of America, Inc Div Pic Design
2940-00-123-71957518 INTERCHANGEABLE
Cleaner,carburetor
Pennzoil Co
3110-00-144-851212Z315-101 INTERCHANGEABLE
Bearing,ball,annular
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5330-00-285-5825 INTERCHANGEABLE
Seal,plain Encased
5305-00-292-670791793AA192 INTERCHANGEABLE
Screw,machine
Mcmaster-Carr Supply Co
5945-00-331-82687518 INTERCHANGEABLE
Retainer,electrical Relay
Te Connectivity Corporation
4810-00-336-12991025-2 INTERCHANGEABLE
Body,valve,solenoid
Woodward Hrt, Inc. Dba Woodward Hrt Inc
4320-00-369-00905100-4700-470171ALT2PC65 INTERCHANGEABLE
Impeller,pump,centrifugal
Naval Ship Systems Command
5915-00-410-3528A-242 INTERCHANGEABLE
Filter,radio Frequency Interfere
The Captor Corporation
Cross-Reference Index
Part NumberManufacturer
75-18 PRIMARY Department of the Army (USA)
1-0252 PRIMARY Avantor Performance Materials, Inc. (USA)
A242 Fisher Scientific Company L.l.c. (USA)
Related Parts
5305-00-054-6670INTERCHANGEABLE
SCREW,MACHINE
3040-00-109-4006INTERCHANGEABLE
SHAFT,STRAIGHT
A2-42
2940-00-123-7195INTERCHANGEABLE
CLEANER,CARBURETOR
7518
3110-00-144-8512INTERCHANGEABLE
BEARING,BALL,ANNULAR
12Z315-101
5330-00-285-5825INTERCHANGEABLE
SEAL,PLAIN ENCASED
5305-00-292-6707INTERCHANGEABLE
SCREW,MACHINE
91793AA192
5945-00-331-8268INTERCHANGEABLE
RETAINER,ELECTRICAL RELAY
7518
4810-00-336-1299INTERCHANGEABLE
BODY,VALVE,SOLENOID
1025-2
4320-00-369-0090INTERCHANGEABLE
IMPELLER,PUMP,CENTRIFUGAL
5100-4700-470171ALT2PC65
5915-00-410-3528INTERCHANGEABLE
FILTER,RADIO FREQUENCY INTERFERE
A-242
5950-00-412-4345INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY
A242
5950-00-519-6912INTERCHANGEABLE
TRANSFORMER,RADIO FREQUENCY

Frequently Asked Questions

What is NSN 6810-00-134-6220?

NSN 6810-00-134-6220 is a Phosphoric Acid, manufactured by Department of the Army, classified under FSC 6810 (No Item Name Available). Status: cancelled.

What are the part numbers for NSN 6810-00-134-6220?

NSN 6810-00-134-6220 has 3 cross-referenced part numbers: 75-18 (Department of the Army), 1-0252 (Avantor Performance Materials, Inc.), A242 (Fisher Scientific Company L.l.c.).

What NSN replaces 6810-00-134-6220?

There are 12 known substitutes for 6810-00-134-6220: 5305-00-054-6670, 3040-00-109-4006, 2940-00-123-7195 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 75-18?

Key specifications for 75-18: Quantity Within Each Unit Package: 1.000 POUNDS LBS; Composition and Percentage: 85.0 MINIMUM BY WEIGHT PHOSPHORIC ACID; Medical Designation and Grade: AMERICAN CHEMICAL SOCIETY. 3 total characteristics are documented in the Federal Logistics Information System.

Is NSN 6810-00-134-6220 still in active supply?

NSN 6810-00-134-6220 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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