5/16" x 1-1/2" (Effective Length 1.281") Zinc Finish Steel Clevis Pin / HEAD STYLE: 16 FLAT DIAMETER: 0.312 INCHES NOMINAL UNDER HEAD LENGTH: 1.500 INCHES NOMINAL END ITEM IDENTIFICATION: 2355-01-567-4930; MRAP - COUGAR CAT1A1 ISS, CAT2A1 ISS, CAT1A1 AND CAT2A1 SEAT SURVIVABILITY UPGRADES PIN HEAD DIAMETER: 0.440 INCHES NOMINAL HEIGHT: 0.100 INCHES NOMINAL MATERIAL: STEEL OVERALL STYLE DESIGNATOR: L193 STRAIGHT