MS51916D, MILITARY STANDARD: SEAL, PLAIN ENCASED, ONE FELT AND ONE LEATHER OR SYNTHETIC ELASTOMER SEALING MEMBERS, SPRING LOADED, SHOULDERED CASE (27 OCT 1986) [SUPERSEDED BY A-A-52524/12].
MS51916D, MILITARY STANDARD: SEAL, PLAIN ENCASED, ONE FELT AND ONE LEATHER OR SYNTHETIC ELASTOMER SEALING MEMBERS, SPRING LOADED, SHOULDERED CASE (27 OCT 1986) [SUPERSEDED BY A-A-52524/12].