NOTES:
1.INTERPRET DRAWING IN ACCORDANCE WITH STANDARDS PRESCRIBED BY DOD-STD-100
②MATERIAL
HEAD AND STEM-AMS S110
SEAT FACING-SEE DETAIL "Z"
3.HEAT TREATMENT
STRESS RELIEVE 135 OF 3 HOURS
AIR COOL AFRER FORGING AND AGAIN
AFTER WELDING
RC 27-34 ALL OVER
EXCEPT RC 42 MIN ON TIP
④CHROME PLATE STEM AREA SHOWN
0025-0035 TOTAL ON DIA
PER SPEC QQ-C-320,CLASS 2
5.FRECIOUS METAL INDICATOR CODE :DMIC,A
6.NECK TO BE FREE FROM GROOVES ABD SCRATCGES
7.POLISH TOP OF HEAD TO REMOVE TOOL MARKS
8.QUALITY ASSURANCE REQUIREMENT
(QARS) APPLY TO THIS DRAWING
(QAR NO.SAME AS FART NO)
9.ENGINEERING QUALIFICATION REQUIREMENTS
9.1 MUST SATISFACTORILY WITHSTAND 400 HOUR DESIGN
9.2 MAGNETIC SPEC ON
PROCESS:
PER MIL-I-Lo8 Lo8 AT 500 AMPS DIRECT MAGNETIZATION
AND CONTINUOUS METHOD
ACCEPT ABILITY STANDARDS:
A.FINE SUBSURFACE INDICATIONS ACCEPTABLE
IN THE STRAIGHT VALVE STEM AREA IF:
1.THERE ARE 3 ORLESS INDICATIONS LESS
THAN 1.50 IN TOTAL LENGTH AND ARE NOT CLOSER THAN 04
2.THERE IS ONLY ONE INDICATION IT MAY BE 75 LONG
B.NO INDICA ONS ARE ACCEPTABLE IN THE HEAD AREA
c.NO OPEN INDICATIONS ARE ACCEPTABLE.
图纸右上角
REVISIONS
DISCRIPTION
REDRAWN WITH CHNG.WAS "D"SIZE
M(1)TRW P/N WAS B 728 UPDATED SOURCE IN FO(2) ADDED NOTES 9 9.1(3) ADDED PMIC,A
QAR AFFECTED(CO-K9931)
N(1)ADDED OPT CONSTR.VIEW QAR NOT AFFECTED(CO-K9972)
REM'D NOTE ADDED QAR AFFECTED(CO-L1052)