MIL-PRF-18949B, PERFORMANCE SPECIFICATION: PROJECTILES, ILLUMINATING, LOCALIZED HEAT TREATMENT OF (26 MAY 1999)

MIL-PRF-18949B, PERFORMANCE SPECIFICATION: PROJECTILES, ILLUMINATING, LOCALIZED HEAT TREATMENT OF (26 MAY 1999)., This specification covers the localized heat treatment requirements of an inner annulus of the body under the band seat on illuminating projectiles, and supplements the requirements of the projectile specification.