National Item Identification Number
01-451-3780
014513780
3020-01-451-3780
3020014513780
National Stock Number
Item Name
CHAIN,ROLLER
Federal Supply Class
3020
Description
A flexible mechanical device consisting of one or more rows of links used for conveying or power transmission. The link side plates are flat or offset and are spaced apart by rollers, bushings and/or pins. The chain mates with a sprocket with an articulating action. The non-rotating bushing type chain is limited to that designated by the American National Standards Institute as ""roller chain"". Excludes CHAIN, BLOCK.
Commercial and Government Entity Code (Supplier Data)
61412
61412
53711
53711
Reference Numbers (Part Numbers)
SIZE 120 COTTERED
SIZE 120 C0TTER
4777-69-2PC17
56W42-2
56W42-2PC17
Required Categories
NOMINAL PITCH DISTANCE
PIN FASTENING METHOD
III END ITEM IDENTIFICATION
Required Description
1.250 INCHES
COTTER PIN
STRATEGIC SEALIFT CONVERSION SHIPS CLASS