Latest fling at Pirate Dave Parker by nuts in the stands: bullets. He picked up a .38-caliber job tossed into right field and called time in the 10th inning at Philadelphia Wednesday night. Earlier, third base umpire Joe West retrieved a .45-caliber bullet that bounced in front of him. "Next time," said Parker, noting this sort of thing has been going on for three years, "somebody might have a gun."

Almas Temple Shrine and the Redskins announced at yesterday's Touchdown Club welcome to Coach Joe Gibbs and staff that the used-to-be-annual Shrine preseason exhibition cosponsorship lives anew with the Kansas City Chiefs' Aug. 7 nocturnal visit to RFK . . .

The NFL's security division is investigating three or four Denver players for possible use of illegal drugs during the 1980 season, the Broncos acknowledge. "I'd say social usage, not a game-day situation," a club spokesman ventured . . . The federal judge in Los Angeles has set trial of the Oakland Raiders -- L.A. Coliseum antitrust suit against the NFL for May 11. Little chance of any 1981 move now, whatever the decision . . . The NFL Alumni Association (ex-Redskin Bill Dudley current president) beats the drum again for its celebrity golf classics, Redskin chapter version at Indian Spring May 3, to benefit Special Olympics; Andy Stynchula will take entries at $300 tax-deductible for golf, brunch, awards dinner, cocktails, souvenirs, etc. Dudley says the program of youth clinics launched by the association of old pros should be a hit, too. Locally, Irv Cross, John Unitas and Bullet Bill himself headline the free instruction program at 1 p.m. Sunday, May 3, Montgomery Blair High School . . .

Then there are Washington Senators alumni, brought to mind by a familiar name on the Alexandria Dukes' roster for tonight's Carolina League home opener -- John Schaive the younger as in John Schaive the elder, a .253-hitting Nat infielder of 1962 . . . And speaking of Montgomery Blair, grad Sonny Jackson, the former big-league infielder, is managing the Anderson (S.C.) Braves of the South Atlantic League. . .

In basketball, Tom Davis of Boston College has been named Eastern coach of the year, second time in four years, by the Widmer media panel; runner-up, Gary Williams of American . . . All-Met Adrian Branch, De Matha's and now-to-be Maryland's, was MVP in the All-American high school game at Witchita on the weekend; scored 24 points. Headed from there to Mannheim, West Germany, on U.S. team in the Albert Schweitzer Games. . .

Maryland had Billanova on its 1982 football schedule (Oct. 9) and, like Navy for this fall, is shopping around for a substitute opponent -- A.D. Jim Kehoe mentions Pitt or Georgia Tech (which, despite ACC membership, isn't on the Terp future book until 1988). Bob Sigholtz, Starplex chief noting the Navy open date, wondered if the academy might not do a nice thing by scheduling a black school. How about, a body countered, Navy-Howard, maybe at RFK? Sigholtz: "Well . . ."