1 BOX OF 10 CONNECTING CHAIN LINKS 1/2" MS87008-5 NOS MATERIAL DIAMETER 0.500 INCHES NOMINAL MATERIAL DOCUMENT AND CLASSIFICATION RR-C-271 FED SPEC SINGLE MATERIAL RESPONSE NONDEFINITIVE SPEC/STD DATA 2 TYPE OVERALL LENGTH 2.625 INCHES NOMINAL OVERALL WIDTH 1.750 INCHES NOMINAL SPECIAL FEATURES ASSEMBLED WITH 4 INTEGRAL PINS STYLE DESIGNATOR 246 D SURFACE TREATMENT ZINC (may have a little surface rust) VARIOUS BRAND SURFACE TREATMENT DOCUMENT AND CLASSIFICATION ASTM-A153 ASSN STD SINGLE TREATMENT RESPONSE 001655607