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PartsTable / COMPONENT / A440-2
A440-2 ✓ 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 ADAPTER,STRAIGHT,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: GRIPPING (HOSE) SECOND END, operating_pressure: 2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.125 INCHES FIRST END IN, nominal_overall_length: 1.250 INCHES IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-181-9230, 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
A440-2
NSN: 4820-00-181-9230
FSC: 4820
CAGE: 99321 — PARKER HANNIFIN CORP DBA PNEUTRONICS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleGRIPPING (HOSE) SECOND END
operating_pressure2000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.125 INCHES FIRST END IN
nominal_overall_length1.250 INCHES IN
thread_series_designatorNPT FIRST END
furnished_items_and_quantity1 SHORT COUPLING NUT WITH SLEEVE
nominal_inside_diameter_hose_accommodated0.250 INCHES SECOND END IN
nominal_outside_diameter_hose_accommodated0.420 INCHES SECOND END IN
NSN4820-00-181-9230
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: A440-2 · 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
•
STYLE DESIGNATOR: STRAIGHT THRU
•
CONNECTION TYPE: UNTHREADED EXTERNAL HOSE FIRST END
•
FLOW CONTROL DEVICE: POPPET
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSTRAIGHT THRU
CONNECTION TYPEUNTHREADED EXTERNAL HOSE FIRST END
STYLE DESIGNATORSTRAIGHT THRU
FLOW CONTROL DEVICEPOPPET
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
S-1490Interchangeable
interchangeable cross-reference
interchangeable
849546-13Interchangeable
interchangeable cross-reference
interchangeable
4912568Interchangeable
interchangeable cross-reference
interchangeable
588B102Interchangeable
interchangeable cross-reference
interchangeable
FN04-02MBInterchangeable
interchangeable cross-reference
interchangeable
A4402Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A440-2?
A440-2 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace A440-2?
There are 9 known substitutes for A440-2: S-1490, 849546-13, 4912568 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for A440-2?
A440-2 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-181-9230. 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