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MIL-PRF-16173

MIL-PRF-16173 is a military specification that outlines requirements for corrosion-preventive compounds (CPCs) used to protect metallic surfaces from corrosion. The specification covers various types of CPCs, including water-displacing, water-displacing and penetrating, and solvent-cutback types. These compounds are typically applied to metal surfaces by spraying, brushing, or dipping.

MIL-PRF-16173 specifies the performance requirements, testing methods, packaging, and labeling for corrosion-preventive compounds. It ensures that these compounds meet stringent military standards for protecting critical metal components and equipment from corrosion in a variety of environments, including storage, shipment, and operational conditions.

MIL-PRF-16173 Product List

These products either meet or are approved to the MIL-PRF-16173 specification. Please consult the product page and product description for the specific grade/size you intend to purchase to ensure it will be supplied with MIL-PRF-16173 paperwork.

Esgard PL-4 Corrosion Preventative 5USG Can *MIL-PRF-16173E Class 2 Grade 4
Esgard PL-4 Corrosion Preventative 5USG Can *MIL-PRF-16173E Class 2 Grade 4
Silmid P/N: 
ESGPL45USG
No Stock - Standard lead time 143 business days
View Details
Castrol Braycote 194 Corrosion Preventative 5USG Pail *MIL-PRF-16173 Class I Grade 4
Castrol Braycote 194 Corrosion Preventative 5USG Pail *MIL-PRF-16173 Class I Grade 4
Silmid P/N: 
BR194005US
No Stock - Standard lead time 101 business days
£936.22 excl VAT
Tectyl 502-C Corrosion Preventative Compound 5USG Can *MIL-PRF-16173E Class 2 Grade 2
Tectyl 502-C Corrosion Preventative Compound 5USG Can *MIL-PRF-16173E Class 2 Grade 2
Silmid P/N: 
P0210735
On Order - 2 available in 7 days
£504.31 excl VAT
LPS 2 Heavy Duty Lubricant 20Lt Drum (Meets MIL-PRF-16173E Grade 3 Class 1 Except 3.5 & 3.6)
LPS 2 Heavy Duty Lubricant 20Lt Drum (Meets MIL-PRF-16173E Grade 3 Class 1 Except 3.5 & 3.6)
Silmid P/N: 
LPS0205USG
No Stock - Standard lead time 17 business days
£236.99 excl VAT
LPS 2 Heavy Duty Lubricant 5Lt Can (Meets MIL-PRF-16173E Grade 3 Class 1 Except 3.5 & 3.6)
LPS 2 Heavy Duty Lubricant 5Lt Can (Meets MIL-PRF-16173E Grade 3 Class 1 Except 3.5 & 3.6)
Silmid P/N: 
P0180103
On Order - 3 available in 3 days
£74.67 excl VAT
LPS 3 Rust Inhibitor 380ml Aerosol (Meets MIL-PRF-16173E Grade 2 Class 1 (Except 4.6.4))
LPS 3 Rust Inhibitor 380ml Aerosol (Meets MIL-PRF-16173E Grade 2 Class 1 (Except 4.6.4))
Silmid P/N: 
LPS0300377
In Stock - 483 Available
£13.16 excl VAT

Revisions and Versions

  • MIL-PRF-16173E - The latest revision of the MIL-PRF-16173 specification. This was amended twice, once in 2006 and then again in 2017. E was first established in 1993
    MIL - Military Specification  PRF - Performance Requirements  16173 - unique identification number

  • MIL-C-16173D - An earlier version of the spec, established in 1966. Superceded in 1993 by revision E
    MIL - Military Specification  C - Corrosion Inhibitor  16173 - unique identification number

Grades

  • Grade 1 - presents a tough, black drying film ideal for external finished machine parts

  • Grade 2 - offers a soft, greasy film, providing undercover protection for metal surfaces on machines, instruments, and bearings

  • Grade 3 - consists of an oily film, functioning as a water-displacing coating for metal parts

  • Grade 4 - delivers a non-tacky, clear surface suitable for general-purpose indoor/outdoor protection, essential for handling, stacking, or counting