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450-0172-20 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

450-0172-20: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include connection_type: THREADED INTERNAL PIPE, nominal_thread_size: 0.250 INCHES AND 0.406 INCHES IN, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-180-2018, 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
450-0172-20
NSN: 4820-01-180-2018
FSC: 4820 — Valves, Nonpowered
CAGE: 0MKW7 — MINNPAR, LLC DBA MINNPAR (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL PIPE
nominal_thread_size0.250 INCHES AND 0.406 INCHES IN
end_connection_quantity4
thread_series_designatorNPT
NSN4820-01-180-2018
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 450-0172-20 · 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 TYPE: THREADED INTERNAL PIPE
•
END CONNECTION QUANTITY: 4
•
NOMINAL THREAD SIZE: 0.250 INCHES AND 0.406 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY4
NOMINAL THREAD SIZE0.250 INCHES AND 0.406 INCHES IN
SPECIAL FEATURES2.750 IN. OD; 4.656 IN. H; CARTRIDGE TYPE VALVE IN
THREAD SERIES DESIGNATORNPT
SUBSTITUTES & CROSS-REFERENCES 3
ASC1094701Reference document
Same NSN cross-reference
Reference document — Secondary reference
450-0172Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
CBEA LBN A477Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 450-0172-20?
450-0172-20 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 450-0172-20?
There are 3 known substitutes for 450-0172-20: ASC1094701, 450-0172, CBEA LBN A477. Substitute compatibility should be verified for your specific system.
What is the NSN for 450-0172-20?
450-0172-20 is cataloged in the U.S. Government catalog under NSN 4820-01-180-2018. This indicates validated use in U.S. government and defense supply chains.
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