580 - SUPPLY RECORDS CLERK  
[SUP RECORDS CLK]

Performs various clerical duties at Headquarters, Marine Corps, a depot, or other large supply installation incident to the operation of the Quartermaster supply system, requiring a knowledge of one or more phases of Quartermaster Department procedure, and not covered by one of the other classifications in this manual.

581 - SIGNAL STOCK MAN  
[SIG STOCK MAN]

Performs various stockroom duties incident to the handling of signal supplies.

582 - INVENTORY CLERK
[INVENTORY CLK]

Performs various duties incident to the making of physical inventories of supplies and equipment.

583 - ENGINEER STOCK MAN
[ENGR STOCK MAN]

Performs various stockroom duties incident to the handling of engineer supplies other than spare parts.

598 - FREIGHT LOADING MAN  
[FRT LOAD MAN]

Supervises the loading of freight into railway cars and trucks.

609 - CANVAS AND LEATHER WORKER

Lays out, cuts, sews, and fits canvas and leather materials in the manufacture and repair of harness, saddles, tents, tarpaulins, seat covers, and covers for equipment.

639 - QUARTERMASTER SUPPLY CHIEF  
[QM SUP CHF]

Supervises supply personnel in the performance of, or personally performs the more difficult of a variety of clerical and stockroom duties incident to the requisition, procurement, receipt, storage, issue, salvage, and transportation of supplies and equipment.

669 - QUARTERMASTER SUPPLY BASIC
[QM SUP BASIC]

This SSN is a temporary designation for enlisted persons who have had general training in organization, procedures, forms, and administrative practices of the entire Quartermaster Department, but who are not as yet qualified in one of the more specific military specialties described elsewhere in this manual, as for example, SSN's 371, 379, 573, 574, 575, 580, 581, 582, 583, 639, 735, 740, 819, 821, 844, or 978.