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Technical Data Sheet
PartsTable / MRO / 8503-16
8503-16 ✓ Verified by PartsTable
Hypertec · MRO · MRO_GENERAL
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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include material: COPPER ALLOY 922 OVERALL, thread_class: 2A SINGLE THREADED PORTION A, thread_length: 1.000 INCHES NOMINAL SINGLE THREADED PORTION IN, overall_height: 1.250 INCHES NOMINAL IN, style_designator: PLAIN THREADED, seat_angle_in_deg: 45.000 NOMINAL. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-588-2725, 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
MRO→ MRO_GENERAL→ 8503-16
NSN: 4820-00-588-2725
FSC: 4820
CAGE: 01343 — ANDERSON GREENWOOD LP DBA ANDERSON GREENWOOD CROSBY (USA)
SPECIFICATIONS
materialCOPPER ALLOY 922 OVERALL
thread_class2A SINGLE THREADED PORTION A
thread_length1.000 INCHES NOMINAL SINGLE THREADED PORTION IN
overall_height1.250 INCHES NOMINAL IN
style_designatorPLAIN THREADED
seat_angle_in_deg45.000 NOMINAL
nominal_thread_size1.125 INCHES SINGLE THREADED PORTION IN
body_inside_diameter0.500 INCHES NOMINAL IN
seating_surface_shapeANGULAR
end_item_identificationWIRE STITCHER
thread_series_designatorUNEF SINGLE THREADED PORTION
part_name_assigned_by_controlling_agencyFILTER, RFI
NSN4820-00-588-2725
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 8503-16 · Hypertec ⚠ 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
102-5122Interchangeable
interchangeable cross-reference
interchangeable
DV15-13Interchangeable
interchangeable cross-reference
interchangeable
429-10Interchangeable
interchangeable cross-reference
interchangeable
8596-20-0XYInterchangeable
interchangeable cross-reference
interchangeable
8596-20Interchangeable
interchangeable cross-reference
interchangeable
598-700-1894115REVALINE7Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 8503-16?
8503-16 is a FILTER,RADIO FREQUENCY INTERFERE manufactured by Hypertec. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8503-16?
There are 24 known substitutes for 8503-16: 102-5122, DV15-13, 429-10 and 21 more. Substitute compatibility should be verified for your specific system.
Is 8503-16 still available?
8503-16 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