1/4"-20 x 1" Grade 5 Yellow Zinc Finish Hex Cap Screw / THREAD CLASS: 2A THREAD DIRECTION: RIGHT-HAND THREAD LENGTH: 0.750 INCHES NOMINAL FASTENER LENGTH: 1.000 INCHES NOMINAL HEAD STYLE: C1 HEXAGON HEAD HEIGHT: 0.163 INCHES NOMINAL WIDTH BETWEEN FLATS: 0.505 INCHES NOMINAL END ITEM IDENTIFICATION: HEMTT FAMILY (HEAVY EXPANDED MOBILITY TACTICAL TRUCKS); 2320-01-318-9902 HET (HEAVY EQUIPMENT TRANSPORTER); 4210-01-486-1035 TFFT (TACTICAL FIRE FIGHTING TRUCK); 3990-01-442-1939 BAP (BRIDGE ADAPTER PALLET);2320-01-304-2277 PLS (PALLETIZED LOADING SYSTEM); 3990-01-444-5196 CEMENT MIXER; MRAP - COUGAR ISS 1.0; MRAP - COUGAR ISS 1.5; MRAP - M-ATV NOMINAL THREAD DIAMETER: 0.250 INCHES THREAD QUANTITY PER INCH: 20 SPECIAL FEATURES: MATERIAL GRADE 5 STEEL COLOR: YELLOW OVERALL MATERIAL: STEEL OVERALL MATERIAL DOCUMENT AND CLASSIFICATION: SAE J105 ASSN STD SINGLE MATERIAL RESPONSE OVERALL PROPRIETARY CHARACTERISTICS: NPAC SURFACE TREATMENT: DICHROMATE OVERALL AND ZINC SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-Z-325 CLASS 3 TYPE II FED SPEC ALL TREATMENT RESPONSES OVERALL THREAD SERIES DESIGNATOR: UNC