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Navy · Mechanical / Vehicle / Equipment Maintenance
This profile summarizes the typical exposure environment, common VA disability claim signals, evidence to gather, and C&P exam preparation notes for veterans who served as a Navy Gas Turbine Systems Technician - Mechanical (Rating GSM). It is a discovery reference — not a diagnosis, not a claim filing, and not legal advice.
The exposure environment most commonly associated with this role is diesel/gasoline exhaust, solvents/degreasers, hydraulic fluids, among others. These exposures map to specific VA presumptive frameworks, audiology criteria, and musculoskeletal rating doctrine described under 38 C.F.R. Parts 3 and 4.
Veterans in this role frequently file or receive evaluations for the following service-connected conditions. This list is not exhaustive and does not replace a personal medical evaluation.
The following secondary conditions warrant review when the underlying primary condition is service-connected.
The following records are typically the most probative evidence to support claims for veterans in this occupational specialty. FOIA requests for service treatment records, personnel records, and unit-level documentation should be prioritized before filing.
Quantify years in shop, equipment type, lifting frequency, solvent/fuel exposure, and specific injuries.
Bring documentation that establishes frequency, severity, and chronicity of symptoms. Examiners record what they observe — being clear, factual, and complete about how the condition affects daily life is essential.
38 CFR § 4.87 DC 6260 — Tinnitus. 10%: Recurrent tinnitus. This is both the minimum and maximum schedular rating. Smith v. Nicholson, 451 F.3d 1344 (Fed. Cir. 2006) confirmed that 10% is the maximum regardless of whether tinnitus is unilateral or bilateral. Tinnitus is the single…
38 CFR §§ 4.85-4.86 DC 6100 — Hearing Loss. Rated through a purely mechanical formula: controlled speech discrimination testing (Maryland CNC) and puretone audiometry produce Roman numeral designations (I-XI) via Table VI. The two ears designations are cross-referenced in Table V…
§ 3.316 Claims based on chronic effects of exposure to mustard gas and Lewisite. (a) Except as provided in paragraph (b) of this section, exposure to the specified vesicant agents during active military service under the circumstances described below together with the subsequent …
§ 4.73 Schedule of ratings—muscle injuries. When evaluating any claim involving muscle injuries resulting in loss of use of any extremity or loss of use of both buttocks (diagnostic code 5317, Muscle Group XVII), refer to § 3.350 of this chapter to determine whether the veteran m…
Citations updated when 38 C.F.R. or M21-1 doctrine changes.
Public-source core occupation. Validate current status before production deployment.
Other roles with the most similar exposure profile, computed from the 6-axis exposure vector — not just career family.