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HL17798 — CYLINDER ASSEMBLY,COMPRESSOR

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HL17798: CYLINDER ASSEMBLY,COMPRESSOR.

The CYLINDER ASSEMBLY,COMPRESSOR is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CAST STEEL. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-192-3527, 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
HL17798
NSN: 4820-01-192-3527
NIINs: 011923527, 012025688
FSC: 4820 — Valves, Nonpowered
CAGE: 93232 — CURTISS-WRIGHT ELECTRO-MECHANICAL CORPORATION DBA CURTISS WRIGHT ENGINEERED PUMP DIVISION USE CAGE CODE 0UBG9 FOR CATALOGING (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCAST STEEL
NSN4820-01-192-3527
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HL17798 · 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
SUBSTITUTES & CROSS-REFERENCES 2
HL17798 PIECE 81Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
1708NReference document
Same NSN cross-reference
Reference document — Design control — primary 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 HL17798?
HL17798 is a CYLINDER ASSEMBLY,COMPRESSOR.
What parts can replace HL17798?
There are 2 known substitutes for HL17798: HL17798 PIECE 81, 1708N. Substitute compatibility should be verified for your specific system.
What is the NSN for HL17798?
HL17798 is cataloged in the U.S. Government catalog under NSN 4820-01-192-3527. 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.