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National Stock Number:
4820-01-566-6890
Federal Supply Class:
4820
National Item Identification Number:
015666890
Description:
VALVE,EXHAUST CONTROL
Detail:
A MANUALLY OPERATED VALVE HAVING ONE INLET AND TWO OUTLETS. IT IS DESIGNED TO CONTROL THE DIRECTION OF EXHAUST GASES INTO EITHER OF THE OUTLETS, ONE OUTLET DISCHARGING DIRECTLY INTO THE ATMOSPHERE, THE OTHER DISCHARGING UNDER WATER.
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Manufacturer Information:
| 1842145C2 | 338X5 | ND DEFENSE LLC |
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Techincal Specification:
| PART NAME ASSIGNED BY CONTROLLING AGENCY | VALVE,EXHAUST | | SPECIAL FEATURES | MATERIAL HEAD AND LOWER STEM: 21-4NNBW SAE J775; HEAT TREATMENT: SOLUTION TREAT (FINAL HARDNESS RC-24 MIN) AND AGED IN ENGINE; UPPER STEM: SILCHROME-1, SAE J775, RC 30-40 MIN, INDUCTION HARDEN TIP, IN AREA MARKED "H" (A-7) CLASS 60, RC 50 MIN AT SURFACE, CEMS A-41; PLATING: FULL CHROME PLACE SURFACE INDICATED (C-4) CLASS DS EXCEPT THICKNESS TO BE .00020-.00035 PER FROM HYDROGENEMBRITTLEMENT; APPROX. MASS (WEIGHT) FINISH PART .2193 LBS |
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