Military capacitors can be made out of a wide variety of different materials depending on the needs of the application. Different types of units that meet these requirements include:
Specification: MIL-C-25
Title: Capacitor, Fixed, Paper Dielectric, D.C., Hermetically Sealed in Metallic Cases
Series CP53-55
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884)
http://www.landandmaritime.dla.mil/programs/qmlqpl/QPLdetail.aspx?QPL=25
Specification: MIL-PRF-11693
Title: Capacitor, Feed Through, Radio-Interference, Reduction, Hermetic, A.C./D.C. (Hermetically Sealed in Metal Cases)
Series CZ23-24, CZR23-24
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884)
http://www.landandmaritime.dla.mil/programs/qmlqpl/QPLdetail.aspx?QPL=11693
Specification: MIL-C-18312
Title: Capacitor, Fixed, Metallized, (Paper, Paper-Plastic or Plastic Film) Dielectric, D.C. (Hermetically Sealed in Metal Cases)
Series CH09, CH12
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884)
http://www.landandmaritime.dla.mil/Downloads/QPLQML/18312/QPDSIS_18312.pdf
Specification: MIL-PRF-19978
Title: Capacitor, Fixed, Plastic (or Paper-Plastic) Dielectric (Hermetically Sealed in Metal, Ceramic, or Glass Cases)
Series CQ05, CQ08-13, CQ20, CQ72, CQR09, CQR12-13, CQR19, CQR29, CQR32-33, CQR39, CQR42-44
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884)
http://www.landandmaritime.dla.mil/Downloads/QPLQML/19978/QPDSIS_19978.pdf
Specification: MIL-PRF-39022 (Specification 01 02 08 10 12 13)
Title: Capacitor, Fixed, Metallized, (Paper-Plastic or Plastic) Film Dielectric, A.C./D.C. (Hermetically Sealed in Metal or Ceramic Cases)
Series CHR09-10, CHR 12, CHR19, CHR26-27
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884) Series 859P, 820P
Manufacturer: Electronic Concepts, Inc. (CAGE Code: 50558)
http://www.landandmaritime.dla.mil/Downloads/QPLQML/39022/QPDSIS_39022.pdf
Specification: MIL-PRF-55514
Title: Capacitor, Fixed, Plastic (or Metallized Plastic) Dielectric, D.C., in Nonmetal Cases
Series CFR02, CFR05, CFR09, CFR13-15, CFR26-27, CFR29-30
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884) Series 735P, 710P, 846P, LP88
Manufacturer: Electronic Concepts, Inc. (CAGE Code: 50558) Series EMCFR05, EMCFR06
http://www.landandmaritime.dla.mil/Downloads/QPLQML/55514/QPDSIS_55514.pdf
Specification: MIL-PRF-83421
Series M83421 (CRH00-09, CRH11-13, CRH31-35)
Manufacturer: Electronic Concepts, Inc. (CAGE Code: 50558)
Manufacturer: Dearborn Electronics, Inc. (CAGE Code: 01884)
(CHR 11-13 Sole Source)
http://www.landandmaritime.dla.mil/Downloads/QPLQML/83421/QPDSIS_83421.pdf