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HL18122PC79 — SEAT,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

HL18122PC79: SEAT,VALVE.

The SEAT,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, end_item_identification: WORTHINGTON AIR COMPRESSOR; 7/7/5-3/4X5. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-134-8844, 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
HL18122PC79
NSN: 4820-01-134-8844
FSC: 4820 — Valves, Nonpowered
CAGE: 93236 — DRESSER-RAND CO WORTHINGTON COMPRESSOR OPN A JOINT VENTURE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
end_item_identificationWORTHINGTON AIR COMPRESSOR; 7/7/5-3/4X5
NSN4820-01-134-8844
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: HL18122PC79 · 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 OVERALL
TECHNICAL CHARACTERISTICS
END ITEM IDENTIFICATIONWORTHINGTON AIR COMPRESSOR; 7/7/5-3/4X5
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 2
1492NReference document
Same NSN cross-reference
Reference document — Secondary reference
HL18122Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
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 HL18122PC79?
HL18122PC79 is a SEAT,VALVE.
What parts can replace HL18122PC79?
There are 2 known substitutes for HL18122PC79: 1492N, HL18122. Substitute compatibility should be verified for your specific system.
What is the NSN for HL18122PC79?
HL18122PC79 is cataloged in the U.S. Government catalog under NSN 4820-01-134-8844. 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.