1015-00-752-7202, RING,OBTURATOR

National Stock Number:
1015-00-752-7202

Federal Supply Class:
1015

National Item Identification Number:
007527202

Description:
RING,OBTURATOR

Detail:
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.

Manufacturer Information:

7527202

19207

U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM

Techincal Specification:

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

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