tt-c-490 zinc phosphate
mil-dtl-53072
mil-dtl-5541
mil-std-171tt-c-490 type 1

TT-C-490. March :10, 1961. (see 6. 10). FEDERAL SPECIFICATION. CLRANING METRODS AIW3PRETREATMENT. OF FERROUS. SURFACES FOR Nov 18, 2014 - Feb 14, 2013 - Sep 24, 2015 - Feb 26, 2014 - 15. SUBJECT TERMS demonstration, Bonderite, pretreatment, TT-C-490, chrome-free original TT-C-490. Those pretreatments that met or exceeded the requirements of TT-C-490 were listed on (PDF) INFORMATION CTR. DTIC OCA. 2. TT-C-490. -. Chemical Conversion Coatings and Pretreatments For. Ferrous Surfaces (Base for Organic Coatings). FEDERAL STANDARDS. FED-STD-313. Governing Spec: TT-C-490F(4). The Qualified Product List for the following governing specification was last updated on 30-APR-2019. QA, FSC, QPL Number testing and heat treatment according to Federal Specification TT-C-490 (2). Testing is recommended for Zinc phosphate pretreatment according to TT-C-490 (2) for ferrous panels and (PDF) US ARMY RESEARCH LAB. IMAL HRA. 1.Jan 31, 2013 -