5307-01-332-6820 (255580)
NSN 5307-01-332-6820 (NIIN 01-332-6820) is a continuous thread stud in Federal Supply Class 5307, Studs — a headless fastener not exceeding 12 inches (304.8 mm) in length having an external thread of one nominal diameter running from end to end. Manufacturer part number 255580; also referenced as 255580 PIECE 20 (Huntington Ingalls Inc); MIL-DTL-1222, MILDTL1222 1-8UNC-5-3A X 3 7/8 (Military Specifications); 255580 PIECE 20L1, MIL-DTL-1222L1, MILDTL1222 1-8UNC-5-3A X 3 7/8L1 (Naval Inventory Control Point).
NIIN assigned January 1991; DEMIL A (none required); unit of issue EA (each), $44.00 gov standard price; ships at 0.786 lb / 0.0022 cu ft.