PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-B-81744Barrier Coating Solution,lubrica

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6850-01-324-6822 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-01-324-6822 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-324-6822. Primary manufacturer part number: MIL-B-81744.
Features
  • Barrier Coating Solution,lubrica — FSC 6850
  • General Characteristics Item Description: CONSISTS OF FLUOROPOLYMER IDENTIFIED AS POLY III,III-PENTADECAFLUOROOCTYL METHACRYLATE DISSOLVED IN XYLENE HEXAFLUORIDE; ONE GALLON CAN
  • 3 verified cross-references
  • Primary manufacturer: Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Barrier Coating Solution,lubrica, cataloged under National Stock Number 6850-01-324-6822, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 2 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-324-6822
Primary Part NumberMIL-B-81744
Item NameBarrier Coating Solution,lubrica
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
General Characteristics Item DescriptionCONSISTS OF FLUOROPOLYMER IDENTIFIED AS POLY III,III-PENTADECAFLUOROOCTYL METHACRYLATE DISSOLVED IN XYLENE HEXAFLUORIDE; ONE GALLON CAN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 2
2530-00-180-68676B2717 INTERCHANGEABLE
Piston,hydraulic Brake
Caterpillar Inc Div Caterpillar Defense
5360-00-663-387911BLH9 INTERCHANGEABLE
Spring,helical,compression
Mack Trucks Inc Parts Opn
Cross-Reference Index
Part NumberManufacturer
MIL-B-81744 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
FC-724 3m Company (USA)
FC-723 3m Company (USA)
Related Parts
2530-00-180-6867INTERCHANGEABLE
PISTON,HYDRAULIC BRAKE
6B2717
5360-00-663-3879INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
11BLH9

Frequently Asked Questions

What is NSN 6850-01-324-6822?

NSN 6850-01-324-6822 is a Barrier Coating Solution,lubrica, manufactured by Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-01-324-6822?

NSN 6850-01-324-6822 has 3 cross-referenced part numbers: MIL-B-81744 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), FC-724 (3m Company), FC-723 (3m Company).

What NSN replaces 6850-01-324-6822?

There are 2 known substitutes for 6850-01-324-6822: 2530-00-180-6867, 5360-00-663-3879. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-B-81744?

Key specifications for MIL-B-81744: General Characteristics Item Description: CONSISTS OF FLUOROPOLYMER IDENTIFIED AS POLY III,III-PENTADECAFLUOROOCTYL METHACRYLATE DISSOLVED IN XYLENE HEXAFLUORIDE; ONE GALLON CAN; End Item Identification: 1240-01-271-8060. 2 total characteristics are documented in the Federal Logistics Information System.

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