Part Number
Part Number:
NSN:
NIIN:
Item Name:
RING , OBTURATOR
Definition:
A METALLIC OR NONMETALLIC CIRCULAR ITEM SPECIFICALLY DESIGNED TO BE PLACED AT THE BREECH-BLOCK END OF A GUN BARREL CHAMBER FOR SEALING AGAINST POWDER GASES. IT IS ALSO USED TO SEAL AGAINST POWDER GASES BETWEEN A PROJECTILE AND THE GUN BARREL.
CAGE Information
Code | Company |
---|---|
19207 | U S ARMY TANK AUTOMOTIVE COMMAND AMS |
Federal Supply Class
Title
GUNS, 75MM THROUGH 125MM
Inclusions:
INCLUDES BREECH MECHANISMS; MOUNTS; RAMMERS.
Exclusions:
Characteristics (Decoded)
MRC | Requirements Statement | Clear Text Reply |
---|---|---|
TEXT | GENERAL CHARACTERISTICS ITEM DESCRIPTION | STEEL,TUBING SEAMLESS 8635,8740,OR 4140,FED SPEC QQ-T-00825 OPTIONAL STEEL,FORGOING MIL-S-13048; HEAT TREATMENT QUENCH AND TEMPER; 9.625 INCHES OUTSIDE DIAMETER; 8 GROOVES EQUALLY SPACED,2.125 INCHES WIDE BY 1.062 INCH DEEP ON A 0.030 INCH RADIUS,CORNERS; 8.042 INCH DIAMETER BORE |