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Technical Data Sheet
PartsTable / COMPONENT / A-A-59440/8
A-A-59440/8 ✓ 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 A-A-59440/8 is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-277-1765, 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
A-A-59440/8
NSN: 4820-00-277-1765
FSC: 4820
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
Part NumberA-A-59440/8
NSN4820-00-277-1765
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A-A-59440/8 · 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
•
THREAD SERIES DESIGNATOR: NPTF ALL ENDS
•
OPERATING PRESSURE: 50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
THREAD DIRECTION: RIGHT-HAND ALL ENDS
•
CONNECTION TYPE: THREADED INTERNAL PIPE ALL ENDS
•
FLOW STYLE: TWO WAY TWO PORT 90 DEGREE PLUG TURN
•
VALVE OPERATION METHOD: MANUAL
•
CONNECTION STYLE: PLAIN, OPTIONAL END (PIPE) ALL ENDS
•
NOMINAL THREAD SIZE: 0.250 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
THREAD SERIES DESIGNATORNPTF ALL ENDS
OPERATING PRESSURE50.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
THREAD DIRECTIONRIGHT-HAND ALL ENDS
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
FLOW STYLETWO WAY TWO PORT 90 DEGREE PLUG TURN
VALVE OPERATION METHODMANUAL
CONNECTION STYLEPLAIN, OPTIONAL END (PIPE) ALL ENDS
NOMINAL THREAD SIZE0.250 INCHES ALL ENDS IN
MEDIA FOR WHICH DESIGNEDWATER-OIL-GAS SINGLE RESPONSE
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
DM7417JAInterchangeable
interchangeable cross-reference
interchangeable
SN5417JInterchangeable
interchangeable cross-reference
interchangeable
Q67000H757ZInterchangeable
interchangeable cross-reference
interchangeable
6809Interchangeable
interchangeable cross-reference
interchangeable
MP-0732Interchangeable
interchangeable cross-reference
interchangeable
7651-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A-A-59440/8?
A-A-59440/8 is a A-A-59440/8.
What parts can replace A-A-59440/8?
There are 25 known substitutes for A-A-59440/8: DM7417JA, SN5417J, Q67000H757Z and 22 more. Substitute compatibility should be verified for your specific system.
Is A-A-59440/8 still available?
A-A-59440/8 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026