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Technical Data Sheet
PartsTable / COMPONENT / AC88
AC88 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include body_style: UNSHIELDED, SOLID POST, GASKET SEAT, reach_length: 0.375 INCHES NOMINAL IN, usage_design: ENGINE OTHER THAN AIRCRAFT, electrode_style: SINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4), pressure_rating: 145.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS, width_across_flats: 0.812 INCHES NOMINAL 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 4820-00-447-0611, 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
AC88
NSN: 4820-00-447-0611
FSC: 4820
CAGE: 81243 — HARMAN PUMP CO (USA)
SPECIFICATIONS
body_styleUNSHIELDED, SOLID POST, GASKET SEAT
reach_length0.375 INCHES NOMINAL IN
usage_designENGINE OTHER THAN AIRCRAFT
electrode_styleSINGLE FLAT SHELL GROUND ELECTRODE (SEE ALSO STYLE 4)
pressure_rating145.0 POUNDS PER SQUARE INCH (PSI) NOMINAL MEAN EFFECTIVE LBS
width_across_flats0.812 INCHES NOMINAL IN
seat_major_diameter0.800 INCHES NOMINAL IN
NSN4820-00-447-0611
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: AC88 · 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
TECHNICAL CHARACTERISTICS (FLIS)
END ITEM IDENTIFICATIONSUPPRESSOR SYSTEM
VERIFIED SUBSTITUTES & CROSS-REFERENCES 3
A538Interchangeable
interchangeable cross-reference
interchangeable
AC88Interchangeable
interchangeable cross-reference
interchangeable
501016Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC88?
AC88 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace AC88?
There are 3 known substitutes for AC88: A538, AC88, 501016. Substitute compatibility should be verified for your specific system.
What is the NSN for AC88?
AC88 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-447-0611. 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