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20-00671 — TRANSFORMER,POWER

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

20-00671: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY FLOW CONTROL DEVICE, body_height: 3.770 INCHES MINIMUM AND 3.830 INCHES MAXIMUM IN, body_length: 2.770 INCHES MINIMUM AND 2.830 INCHES MAXIMUM IN, bonnet_type: INSIDE SCREW, inclosure_type: FULLY INCLOSED, connection_type: THREADED INTERNAL PIPE ALL ENDS. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-658-5478, 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
20-00671
NSN: 4820-00-658-5478
NIINs: 006585478, 012764700
FSC: 4820 — Valves, Nonpowered
CAGE: 03670 — TYCO FIRE PRODUCTS LP (USA)
SPECIFICATIONS
materialCOPPER ALLOY FLOW CONTROL DEVICE
body_height3.770 INCHES MINIMUM AND 3.830 INCHES MAXIMUM IN
body_length2.770 INCHES MINIMUM AND 2.830 INCHES MAXIMUM IN
bonnet_typeINSIDE SCREW
inclosure_typeFULLY INCLOSED
connection_typeTHREADED INTERNAL PIPE ALL ENDS
mounting_methodTHREADED HOLE(S) SINGLE GROUP
connection_stylePLAIN,OPTIONAL END(PIPE) ALL ENDS
frequency_rating1.5 KILOHERTZ NOMINAL SINGLE COMPONENT
style_designatorSTRAIGHT THRU
thread_directionRIGHT-HAND ALL ENDS
operating_pressure400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
NSN4820-00-658-5478
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 20-00671 · 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
•
CONNECTION STYLE: PLAIN,OPTIONAL END(PIPE) ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
STYLE DESIGNATOR: STRAIGHT THRU
•
OPERATING PRESSURE: 400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
BONNET TYPE: INSIDE SCREW
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
NOMINAL THREAD SIZE: 0.750 INCHES ALL ENDS IN
•
BONNET ATTACHMENT METHOD: INTEGRAL
TECHNICAL CHARACTERISTICS
CONNECTION STYLEPLAIN,OPTIONAL END(PIPE) ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
STYLE DESIGNATORSTRAIGHT THRU
OPERATING PRESSURE400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
BONNET TYPEINSIDE SCREW
THREAD DIRECTIONRIGHT-HAND ALL ENDS
NOMINAL THREAD SIZE0.750 INCHES ALL ENDS IN
BONNET ATTACHMENT METHODINTEGRAL
MATERIALCOPPER ALLOY BODY
MATERIALCOPPER ALLOY FLOW CONTROL DEVICE
SUBSTITUTES & CROSS-REFERENCES 2
V671Reference document
Same NSN cross-reference
Reference document — Secondary reference
509-0398Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 20-00671?
20-00671 is a TRANSFORMER,POWER.
What parts can replace 20-00671?
There are 2 known substitutes for 20-00671: V671, 509-0398. Substitute compatibility should be verified for your specific system.
What is the NSN for 20-00671?
20-00671 is cataloged in the U.S. Government catalog under NSN 4820-00-658-5478. This indicates validated use in U.S. government and defense supply chains.
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