Shall be worn on the uniform coat, above the elbow, points up, of yellow silk lace, one-half inch wide, as follows: 

For a Sergeant-Major: Three bars and an arc, on scarlet ground.  For a Quartermaster-Sergeant: Three bars and a tie, on scarlet ground.  For a Drum-Major: Three bars and a tie, with a star in the centre, on a scarlet ground.  For Sergeants: Chevrons of Yellow worsted half inch lace, placed above the elbow, points up, as follows: For First Sergeants, three bars and a lozenge, edges with scarlet; other sergeants, three bars, edged with scarlet.  For a Corporal: Same as for Sergeants, except that the chevrons shall consist of two bars each.

yellow silk lace, one-half inch wide, edged with scarlet cloth one-eighth of an inch wide, to be worn on the sleeves above the elbows, points up.  Sergeant Major and Second Leader of the Band: Three bars and an arc on scarlet ground.  Quartermaster sergeant: Three bars and a tie on scarlet ground.  Drum major: Three bars and a tie, with a five-pointed star in the center, on scarlet ground.  Gunnery sergeant: Three bars and a tie, with device of the school of application embroidered in yellow silk in center, on scarlet ground.  First sergeant: Three bars and a lozenge, edged with scarlet.  Sergeant: Three bars edged with scarlet.  Corporal: Two bars edged with scarlet.

shall be of yellow-silk lace,  one-half inch wide on a backing of scarlet cloth which shall show one-eighth of an inch between the bars and along the edges, worn on the sleeves above the elbow, with the point up, the point of the chevron being 4 inches below the shoulder seam, and the space between the bars being one-eighth of an inch. The total width of the chevron shall be 8 inches.  Sergeant major: Three bars with 3 arcs on scarlet ground.  Second leader of the band: Three bars with 3 arcs on scarlet ground, with a cornet in yellow silk on scarlet ground in the angle.  Quartermaster sergeant: Three bars with 3 ties on scarlet ground. Quartermaster sergeant, paymaster's department: Three bars with 3 ties on scarlet ground, with a device representing a pile of gold coins crossed by a quill in yellow silk on -scarlet ground in the angle.  Gunnery sergeant: Three bars with a device of a bursting bomb and crossed rifles in yellow silk on scarlet ground in the angle. Drum major: Three bars with 3 ties and a 5-pointed star in yellow silk on scarlet ground in the angle.  First sergeant: Three bars, with a lozenge of yellow silk on scarlet ground placed in the angle.  Sergeant: Three bars.  Corporal: Two bars. Lance corporal: One bar, 3 inches from side to side, worn on the right sleeve only.

Unless otherwise indicated, the following chevrons and insignia shall be worn midway between the elbow and shoulder seam in the center of the outer half of the sleeves of all coats, the overcoat, and the flannel shirt, chevrons being worn point up. The dress chevrons and insignia shall be worn on the dress coat, the winter service chevrons and insignia on the winter service coat and the overcoat, and the summer service chevrons and insignia on the summer service coat and the flannel shirt, as follows:   

 Sergeant Major (par. 632), on both sleeves.  Quartermaster Sergeant (par. 634), on both sleeves.  Quartermaster Sergeant, Paymaster's Department (par. 635), on both sleeves.  Drum Major (post band) (par. 636), on both sleeves.  First Sergeant (par. 637), on both sleeves.   Gunnery Sergeant (par. 638), on both sleeves.  Sergeant (par. 639), on both sleeves.  Corporal (par. 640), on both sleeves.  Lance Corporal (par. 641), on the right sleeve only.  Private, First-Class (par. 665), on both sleeves, with rifle butts downward.  Trumpeter (par. 666), on both sleeves, with the mouthpiece to the front.  Drummer (par. 667), on both sleeves, with the "buttons" downward.  Signalman, First-Class (par. 668), on the left sleeve only, with the flags uppermost, approximately  6 inches below the chevron, or in a similar position if no chevron is worn."

Sergeant Major - Three chevrons and three arcs.   Master Gunnery Sergeant - Three chevrons and three arcs. Second Leader, Marine Band - Three chevrons and three arcs with a lyre between.   Master Technical Sergeant - Three chevrons and three ties.   Quartermaster Sergeant - Three chevrons and three ties. Paymaster Sergeant - Three chevrons and three ties.   First Sergeant - Three chevrons and two arcs.   Gunnery Sergeant - Three chevrons and two arcs.   Technical Sergeant - Three chevrons and two ties. Technical Sergeant (Mess) - Three chevrons and two ties.   Technical Sergeant (P.M.)- Three chevrons and two ties. Drum Major - Three chevrons and two ties. Supply Sergeant - Three chevrons and two ties.   Platoon Sergeant - Three chevrons and one arc. Staff Sergeant (Clerical) - Three chevrons and one tie.   Staff Sergeant (Mechanical) - Three chevrons and one tie. Staff Sergeant (Mess) - Three chevrons and one tie.   Sergeant - Three chevrons. Mess Sergeant - Three chevrons. Chief Cook - Three chevrons.   Drum Sergeant - Three chevrons.   Trumpet Sergeant - Three chevrons. Corporal - Two chevrons. Mess Corporal - Two chevrons. Field Cook - Two chevrons. Drum Corporal - Two chevrons. Trumpet Corporal - Two chevrons. Musician, Marine Band - One chevron and one arc with a lyre between. Private First Class - One chevron. Assistant Cook - One chevron. Drummer First Class - One chevron. Trumpeter First Class - One chevron. Private - None.  Drummer - None.

Sergeant Major: three chevrons and three arcs with a star in the center. First Sergeant: three chevrons and three arcs with a diamond in the center. Master Sergeant: Three chevrons and three arcs. Technical Sergeant: Three chevrons and two arcs. Staff Sergeant: Three chevrons and one arc. Sergeant: Three chevrons. Corporal: Two chevrons. Private First Class: One chevron.