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164A-1X164A-6 — AIR LOCK VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

164A-1X164A-6: AIR LOCK VALVE.

The AIR LOCK VALVE is a the manufacturer industrial component. Key specifications include material: ZINC ALLOY. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-053-5159, 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
164A-1X164A-6
NSN: 4820-01-053-5159
FSC: 4820 — Valves, Nonpowered
CAGE: 72703 — GENERAL MACHINE WORKS, INC. (USA)
SPECIFICATIONS
materialZINC ALLOY
general_characteristics_item_descriptionSPRING LOADED;ZINC BASE ALLOY BODY; 3 PORTS INTERNALLY THREADED; 1/4-18 NPT; 2 MTG SLOTS 0.438 IN. WIDE BY 0.688 IN. LG IN
NSN4820-01-053-5159
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 164A-1X164A-6 · 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: SPRING LOADED;ZINC BASE ALLOY BODY; 3 PORTS INTERNALLY THREADED; 1/4-18 NPT; 2 MTG SLOTS 0.438 IN. WIDE BY 0.688 IN. LG IN
•
MATERIAL: ZINC ALLOY
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSPRING LOADED;ZINC BASE ALLOY BODY; 3 PORTS INTERNALLY THREADED; 1/4-18 NPT; 2 MTG SLOTS 0.438 IN. WIDE BY 0.688 IN. LG IN
MATERIALZINC ALLOY
SUBSTITUTES & CROSS-REFERENCES 1
164-A-6Reference 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 164A-1X164A-6?
164A-1X164A-6 is a AIR LOCK VALVE.
What parts can replace 164A-1X164A-6?
There is 1 known substitute for 164A-1X164A-6: 164-A-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 164A-1X164A-6?
164A-1X164A-6 is cataloged in the U.S. Government catalog under NSN 4820-01-053-5159. 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.