PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

R-503Inspection Penetrant

Mcgean-Rohco Inc · NSN 6850-01-698-2269 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-01-698-2269 — this item is cataloged by the U.S. Government under National Stock Number 6850-01-698-2269. Primary manufacturer part number: R-503.
Features
  • Inspection Penetrant — FSC 6850
  • Water Soluble Feature: NOT PROVIDED
  • Penetrant Type for Which Designed: FLUORESCENT
  • Minimum Flash Point: 11.6 DEG CELSIUS
  • Quantity Within Each Unit Package: 16.0 OUNCES OZ
  • 1 verified cross-reference
  • Primary manufacturer: Mcgean-Rohco Inc
Applications
  • Industrial maintenance and repair
  • Government and military logistics
  • Equipment overhaul and refurbishment
General Description

The Inspection Penetrant, cataloged under National Stock Number 6850-01-698-2269, is classified within Federal Supply Class 6850 (No Item Name Available) of the Chemicals and Chemical Products group. The primary manufacturer of record is Mcgean-Rohco Inc. Government technical data includes 4 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 1 commercial cross-reference from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-01-698-2269
Primary Part NumberR-503
Item NameInspection Penetrant
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerMcgean-Rohco Inc
StatusACTIVE
Water Soluble FeatureNOT PROVIDED
Penetrant Type for Which DesignedFLUORESCENT
Minimum Flash Point11.6 DEG CELSIUS
Quantity Within Each Unit Package16.0 OUNCES OZ
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
5120-00-032-6171R503 INTERCHANGEABLE
Socket,socket Wrench
Hiller Aircraft Corporation
3110-00-159-9283ART2034A INTERCHANGEABLE
Bearing,ball,annular
Schatz Bearing Corporation Dba Schatz Bearing Corp
5977-00-337-81121906945 INTERCHANGEABLE
Brush,electrical Contact
Delco Remy America Inc
4820-00-664-6655 INTERCHANGEABLE
Valve,regulating,fluid Pressure
5999-01-597-9377R50-3 INTERCHANGEABLE
Contact,electrical
Test Connections, Inc.
Cross-Reference Index
Part NumberManufacturer
R-503 PRIMARY Mcgean-Rohco Inc (USA)
Related Parts
5120-00-032-6171INTERCHANGEABLE
SOCKET,SOCKET WRENCH
R503
3110-00-159-9283INTERCHANGEABLE
BEARING,BALL,ANNULAR
ART2034A
5977-00-337-8112INTERCHANGEABLE
BRUSH,ELECTRICAL CONTACT
1906945
4820-00-664-6655INTERCHANGEABLE
VALVE,REGULATING,FLUID PRESSURE
5999-01-597-9377INTERCHANGEABLE
CONTACT,ELECTRICAL
R50-3

Frequently Asked Questions

What is NSN 6850-01-698-2269?

NSN 6850-01-698-2269 is a Inspection Penetrant, manufactured by Mcgean-Rohco Inc, classified under FSC 6850 (No Item Name Available). Status: active.

What are the part numbers for NSN 6850-01-698-2269?

NSN 6850-01-698-2269 has 1 cross-referenced part number: R-503 (Mcgean-Rohco Inc).

What NSN replaces 6850-01-698-2269?

There are 5 known substitutes for 6850-01-698-2269: 5120-00-032-6171, 3110-00-159-9283, 5977-00-337-8112 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of R-503?

Key specifications for R-503: Water Soluble Feature: NOT PROVIDED; Penetrant Type for Which Designed: FLUORESCENT; Minimum Flash Point: 11.6 DEG CELSIUS; Quantity Within Each Unit Package: 16.0 OUNCES OZ. 4 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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