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D646139C8 — WATER PURIFICATION UNIT,BASE MOU

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

D646139C8: WATER PURIFICATION UNIT,BASE MOU.

WATER PURIFICATION UNIT,BASE MOU. Key specifications include phase: SINGLE, material: STEEL UNS K03504 BODY, stem_type: RISING, valve_size: 1.500 INCHES IN, bonnet_type: OUTSIDE SCREW-YOKE, filter_type: GRAVITY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-282-8445, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
D646139C8
NSN: 4820-01-282-8445
NIINs: 012828445, 012828452, 012830348
FSC: 4820 — Valves, Nonpowered
CAGE: 52891 — PEMCO-NAVAL ENGINEERING WORKS INC (USA)
SPECIFICATIONS
phaseSINGLE
materialSTEEL UNS K03504 BODY
stem_typeRISING
valve_size1.500 INCHES IN
bonnet_typeOUTSIDE SCREW-YOKE
filter_typeGRAVITY
current_typeAC
pressure_classERR-060
connection_typeUNTHREADED INTERNAL PIPE ALL ENDS
connection_styleSOCKET ALL ENDS
prime_mover_typeELECTRIC MOTOR
special_featuresCONVENTIONAL PORT OPENING
NSN4820-01-282-8445
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: D646139C8 · OEM ⚠ VERIFY BEFORE ORDERING Gate valves = FULL OPEN or FULL CLOSE only — never throttle. Partial opening causes seat erosion and vibration. ✓ BROKER TIP Rising stem shows valve position visually — easier maintenance. Non-rising stem saves headroom. PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
INLET RELATIONSHIP WITH OUTLET: IDENTICAL
•
NOMINAL PIPE SIZE ACCOMMODATED: 1.500 INCHES IN
•
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED: 850.0 FAHRENHEIT WATER-OIL-GAS DEGF
•
OPERATING PRESSURE AND TYPE: 800.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
STEM TYPE: RISING
•
CONNECTION TYPE: SOCKET, WELD, PIPE
•
MATERIAL DOCUMENT AND CLASSIFICATION: AISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
TECHNICAL CHARACTERISTICS
INLET RELATIONSHIP WITH OUTLETIDENTICAL
NOMINAL PIPE SIZE ACCOMMODATED1.500 INCHES IN
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED850.0 FAHRENHEIT WATER-OIL-GAS DEGF
OPERATING PRESSURE AND TYPE800.0 POUNDS PER SQUARE INCH (PSI) WATER AND OTHER LIQUIDS MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
STEM TYPERISING
CONNECTION TYPESOCKET, WELD, PIPE
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 416 ASSN STD SINGLE MATERIAL RESPONSE STEM
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 410 - 400 BHN ASSN STD SINGLE MATERIAL RESPONSE SEAT
MATERIAL DOCUMENT AND CLASSIFICATIONAISI 420 - 500 BHN ASSN STD SINGLE MATERIAL RESPONSE DISK
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105 GRADE IT ASSN STD SINGLE MATERIAL RESPONSE BODY
SUBSTITUTES & CROSS-REFERENCES 1
D646139C8 PIECE 5Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is D646139C8?
D646139C8 is a WATER PURIFICATION UNIT,BASE MOU.
What parts can replace D646139C8?
There is 1 known substitute for D646139C8: D646139C8 PIECE 5. Substitute compatibility should be verified for your specific system.
What is the NSN for D646139C8?
D646139C8 is cataloged in the U.S. Government catalog under NSN 4820-01-282-8445. This indicates validated use in U.S. government and defense supply chains.
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