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Technical Data Sheet
PartsTable / COMPONENT / AA59440/5-025
AA59440/5-025 ✓ Verified by PartsTable
— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The AA59440/5-025 is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-272-3336, 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
AA59440/5-025
NSN: 4820-00-272-3336
FSC: 4820
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberAA59440/5-025
NSN4820-00-272-3336
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AA59440/5-025 · 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
•
CONNECTION STYLE: PLAIN (PIPE) FIRST END
•
MATERIAL: COPPER OVERALL
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
THREAD SERIES DESIGNATOR: NPT FIRST END
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND A STYLE AND 3 DESIGN
•
STYLE DESIGNATOR: ANGLE
•
THREAD DIRECTION: RIGHT-HAND FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
MATERIALCOPPER OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
THREAD SERIES DESIGNATORNPT FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
NONDEFINITIVE SPEC/STD DATA1 TYPE AND A STYLE AND 3 DESIGN
STYLE DESIGNATORANGLE
THREAD DIRECTIONRIGHT-HAND FIRST END
VALVE OPERATION METHODMANUAL
NOMINAL PIPE SIZE ACCOMMODATED0.750 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
29Interchangeable
interchangeable cross-reference
interchangeable
S4804-983050 PIInterchangeable
interchangeable cross-reference
interchangeable
AA59440/5-021Interchangeable
interchangeable cross-reference
interchangeable
MILC1203Interchangeable
Same NIIN cross-reference
interchangeable
A-A-59440/5Interchangeable
Same NIIN cross-reference
interchangeable
MS35787-5Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59440/5-025?
AA59440/5-025 is a AA59440/5-025.
What parts can replace AA59440/5-025?
There are 7 known substitutes for AA59440/5-025: 29, S4804-983050 PI, AA59440/5-021 and 4 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AA59440/5-025?
AA59440/5-025 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-272-3336. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026