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HC159AJ — STEM,FLUID VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HC159AJ: STEM,FLUID VALVE.

The STEM,FLUID VALVE is a the manufacturer industrial component. Key specifications include material: STEEL CORROSION RESISTING. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-175-7725, 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
HC159AJ
NSN: 4820-00-175-7725
FSC: 4820 — Valves, Nonpowered
CAGE: 16712 — SIEMENS ENERGY, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING
NSN4820-00-175-7725
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HC159AJ · 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
•
MATERIAL: STEEL CORROSION RESISTING
TECHNICAL CHARACTERISTICS
MATERIALSTEEL CORROSION RESISTING
OTHER ITEMS IN FSC 4820 — Valves, Nonpowered
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
4820-00-000-0097 4820-00-001-0010 4820-00-001-0020 4820-00-001-0021 4820-00-001-0032 4820-00-001-0037 4820-00-001-0042 4820-00-001-1230
SUBSTITUTES & CROSS-REFERENCES 10
CLC-G17375 PCS.66,67&68Reference document
Same NSN cross-reference
Reference document — Secondary reference
G17375PC66T068Reference document
Same NSN cross-reference
Reference document — Secondary reference
G10083PC60T062Reference document
Same NSN cross-reference
Reference document — Secondary reference
G10203PC60T062Reference document
Same NSN cross-reference
Reference document — Secondary reference
B51142PC1Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
G10574PC60T062Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 HC159AJ?
HC159AJ is a STEM,FLUID VALVE.
What parts can replace HC159AJ?
There are 10 known substitutes for HC159AJ: CLC-G17375 PCS.66,67&68, G17375PC66T068, G10083PC60T062 and 7 more. Substitute compatibility should be verified for your specific system.
What is the NSN for HC159AJ?
HC159AJ is cataloged in the U.S. Government catalog under NSN 4820-00-175-7725. 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.