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H49901 — COMPRESSOR,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

H49901: COMPRESSOR,VALVE.

The COMPRESSOR,VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: STEEL,0.D.2.800 IN,O/A H.2.070 IN.CONSISTS OF SEMI-CIRCULAR SLOTS THRU UPPER AND LOWER VALVE PLATES IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-126-5160, 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
H49901
NSN: 4820-01-126-5160
FSC: 4820 — Valves, Nonpowered
CAGE: 0AT62 — SIEMENS ENERGY, INC. DBA DRESSER-RAND (USA)
SPECIFICATIONS
general_characteristics_item_descriptionSTEEL,0.D.2.800 IN,O/A H.2.070 IN.CONSISTS OF SEMI-CIRCULAR SLOTS THRU UPPER AND LOWER VALVE PLATES IN
NSN4820-01-126-5160
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: H49901 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,0.D.2.800 IN,O/A H.2.070 IN.CONSISTS OF SEMI-CIRCULAR SLOTS THRU UPPER AND LOWER VALVE PLATES IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,0.D.2.800 IN,O/A H.2.070 IN.CONSISTS OF SEMI-CIRCULAR SLOTS THRU UPPER AND LOWER VALVE PLATES IN
SUBSTITUTES & CROSS-REFERENCES 2
33638560Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
MLH49901G1Reference 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 H49901?
H49901 is a COMPRESSOR,VALVE.
What parts can replace H49901?
There are 2 known substitutes for H49901: 33638560, MLH49901G1. Substitute compatibility should be verified for your specific system.
What is the NSN for H49901?
H49901 is cataloged in the U.S. Government catalog under NSN 4820-01-126-5160. 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.