PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

MIL-PRF-25567Leak Test Compound

Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M · NSN 6850-00-051-5052 · FSC 6850 · No Item Name Available
Verified by PartsTable
NSN 6850-00-051-5052 — this item is cataloged by the U.S. Government under National Stock Number 6850-00-051-5052. Primary manufacturer part number: MIL-PRF-25567.
Features
  • Leak Test Compound — FSC 6850
  • Nondefinitive Spec/std Data: I TYPE
  • Quantity Within Each Unit Package: 55.0 GALLONS
  • 2 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 Leak Test Compound, cataloged under National Stock Number 6850-00-051-5052, 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 2 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN6850-00-051-5052
Primary Part NumberMIL-PRF-25567
Item NameLeak Test Compound
FSC / FSG6850 / 68 — No Item Name Available
ManufacturerMilitary Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
StatusACTIVE
Nondefinitive Spec/std DataI TYPE
Quantity Within Each Unit Package55.0 GALLONS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
6850-00-185-0423 INTERCHANGEABLE
Leak Test Compound
6850-00-186-2963 INTERCHANGEABLE
Leak Test Compound
6850-00-621-1819 INTERCHANGEABLE
Leak Test Compound
6850-00-621-1820 INTERCHANGEABLE
Leak Test Compound
6850-00-990-1581 INTERCHANGEABLE
Leak Test Compound
6850-01-309-6441 INTERCHANGEABLE
Leak Test Compound
6850-01-464-4751 INTERCHANGEABLE
Leak Test Compound
Cross-Reference Index
Part NumberManufacturer
MIL-PRF-25567 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
MILL25567 Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M
Related Parts
6850-00-185-0423INTERCHANGEABLE
LEAK TEST COMPOUND
6850-00-186-2963INTERCHANGEABLE
LEAK TEST COMPOUND
6850-00-621-1819INTERCHANGEABLE
LEAK TEST COMPOUND
6850-00-621-1820INTERCHANGEABLE
LEAK TEST COMPOUND
6850-00-990-1581INTERCHANGEABLE
LEAK TEST COMPOUND
6850-01-309-6441INTERCHANGEABLE
LEAK TEST COMPOUND
6850-01-464-4751INTERCHANGEABLE
LEAK TEST COMPOUND

Frequently Asked Questions

What is NSN 6850-00-051-5052?

NSN 6850-00-051-5052 is a Leak Test Compound, 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 6850-00-051-5052?

NSN 6850-00-051-5052 has 2 cross-referenced part numbers: MIL-PRF-25567 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M), MILL25567 (Military Specifications Promulgated by Military Departments/agencies Under Authority of Defense Standardization Manual 4120 3-M).

What NSN replaces 6850-00-051-5052?

There are 7 known substitutes for 6850-00-051-5052: 6850-00-185-0423, 6850-00-186-2963, 6850-00-621-1819 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of MIL-PRF-25567?

Key specifications for MIL-PRF-25567: Nondefinitive Spec/std Data: I TYPE; Quantity Within Each Unit Package: 55.0 GALLONS. 2 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com