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8V5172 — VALVE,LINEAR,DIRECTIONAL CONTROL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

8V5172: VALVE,LINEAR,DIRECTIONAL CONTROL.

VALVE,LINEAR,DIRECTIONAL CONTROL. Key specifications include connection_type: THREADED INTERNAL PIPE, nominal_thread_size: 0.500 INCHES IN, valve_operation_method: AUTOMATIC, thread_series_designator: NPT. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-978-7057, 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
8V5172
NSN: 4820-00-978-7057
FSC: 4820 — Valves, Nonpowered
CAGE: 11083 — CATERPILLAR INC DIV CATERPILLAR DEFENSE (USA)
SPECIFICATIONS
connection_typeTHREADED INTERNAL PIPE
nominal_thread_size0.500 INCHES IN
valve_operation_methodAUTOMATIC
end_connection_quantity6
thread_series_designatorNPT
NSN4820-00-978-7057
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8V5172 · 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: 6
•
NOMINAL THREAD SIZE: 0.500 INCHES IN
•
THREAD SERIES DESIGNATOR: NPT
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
CONNECTION TYPETHREADED INTERNAL PIPE
END CONNECTION QUANTITY6
NOMINAL THREAD SIZE0.500 INCHES IN
THREAD SERIES DESIGNATORNPT
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
4D2287Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8V5172?
8V5172 is a VALVE,LINEAR,DIRECTIONAL CONTROL.
What parts can replace 8V5172?
There is 1 known substitute for 8V5172: 4D2287. Substitute compatibility should be verified for your specific system.
What is the NSN for 8V5172?
8V5172 is cataloged in the U.S. Government catalog under NSN 4820-00-978-7057. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.