PartsTable
Technical Data Sheet
Download PDF

VA20-AA440 — HEAD,VALVE

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

VA20-AA440: HEAD,VALVE.

The HEAD,VALVE is a the manufacturer industrial component. Key specifications include material: STEEL, special_features: 1.000 IN. NPT PORTS;HYDRAULIC OIL;150 PSI IN, end_item_identification: VALVE ASSY 1.00IPS 800T2500PSI FPT STL.

This part is cataloged in the U.S. Government catalog under NSN 4820-01-207-8987, 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
VA20-AA440
NSN: 4820-01-207-8987
FSC: 4820 — Valves, Nonpowered
CAGE: 13829 — PARKER HANNIFIN CORPORATION DIV CYLINDER DIVISION (USA)
SPECIFICATIONS
materialSTEEL
special_features1.000 IN. NPT PORTS;HYDRAULIC OIL;150 PSI IN
end_item_identificationVALVE ASSY 1.00IPS 800T2500PSI FPT STL
NSN4820-01-207-8987
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: VA20-AA440 · 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
TECHNICAL CHARACTERISTICS
SPECIAL FEATURES1.000 IN. NPT PORTS;HYDRAULIC OIL;150 PSI IN
END ITEM IDENTIFICATIONVALVE ASSY 1.00IPS 800T2500PSI FPT STL
MATERIALSTEEL
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 2
AA128Reference document
Same NSN cross-reference
Reference document — Secondary reference
A20-AA128Reference 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
Ready to buy VA20-AA440?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is VA20-AA440?
VA20-AA440 is a HEAD,VALVE.
What parts can replace VA20-AA440?
There are 2 known substitutes for VA20-AA440: AA128, A20-AA128. Substitute compatibility should be verified for your specific system.
What is the NSN for VA20-AA440?
VA20-AA440 is cataloged in the U.S. Government catalog under NSN 4820-01-207-8987. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — VA20-AA440

✓ 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.