Northrop Grumman (NGAS) Approved Processes for Precision Finishing and Testing
Magnetic Inspection Laboratory, Inc. (MIL) is a trusted processor for Northrop Grumman Aerospace Systems (NGAS), delivering specialized finishing and testing for defense and industrial components. As an approved provider, MIL meets NGAS’s rigorous standards through processes like anodizing, chem film, passivation, non-destructive testing (NDT), and coatings, backed by Nadcap and AS9100 certifications. With 82 years of expertise, we ensure precision and compliance across multiple industries. Search the table below by process or specification to verify our capabilities.
| PROCESS CODE | SPECIFICATION | DESCRIPTION |
APPROVED |
REMARKS |
|
| This approvals listing applies to Northrop Grumman Aerospace System (NGAS) | |||||
| ANODIZING | MIL-A-8625* | ANODIZE |
✔ |
Program specific Northrop requirement for seal- * 5% sodium dichromate seal is required only when MIL-A-8625 Type II anodize is called out on any C-2, E-2, EA-6, EA-18 or E-8 (Jstars) eng. Dwgs | |
| CHEM FILM | MIL-DTL-5541 | Type I Only |
✔ |
||
| ETCH | GP 17G ( GP17G ) | PRE PEN. ETCH |
✔ |
||
| PASSIVATION | AMS 2700 | OF C.RES. STEEL |
✔ |
||
| ASTM A967 |
✔ |
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| AMS-QQ-P-35 |
✔ |
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| GSS7021 |
✔ |
Limited to Passivation Only | |||
| CHEM MILL | GSS 26201* |
✔ |
* RCI 038981 was dispositioned to allow use of alt. solution, excluding periodic analysis IAW supplier procedure 24 MF 10 (5/24/06) | ||
| NDE | ASTM E 1444 | MAG PARTICLE |
✔ |
||
| ASTM E 1417 | PENETRANT |
✔ |
|||
| GT 23A ( GT23A ) | FPI |
✔ |
|||
| NGT23K | MPI |
✔ |
|||
| TESTING | ASTM B 117 | SALT SPRAY |
✔ |
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| COATINGS | GSS 4310 | PRIMER |
✔ |
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| GSS 4510 | COATING |
✔ |
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| MIL-F-18264 | ORGANIC FINISHES |
✔ |
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MIL’s Northrop Grumman (NGAS) approvals reflect our long-standing commitment to precision and reliability for primes and machine shops. Our one-stop-shop capabilities and rigorous contract reviews ensure consistent quality and on-time delivery (93%+ OTD).
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