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702987 — RELAY,THERMAL

✓ Government record, cited
Zapf · GATE VALVE
PRODUCT OVERVIEW

702987: RELAY,THERMAL.

The RELAY,THERMAL is a Zapf industrial component. Key specifications include overall_length: 2.875 INCHES NOMINAL IN, overall_diameter: 1.281 INCHES NOMINAL IN, contact_arrangement: SINGLE POLE, SINGLE THROW, NORMALLY OPEN, delay_time_in_seconds: 20.0 FIXED RELEASE NOMINAL, environmental_protection: HERMETIC, terminal_type_and_quantity: 8 PIN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-194-9980, 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
702987
NSN: 4820-00-194-9980
NIINs: 001949980, 002597749
FSC: 4820 — Valves, Nonpowered
CAGE: 26337 — PARKER-HANNIFIN CORPORATION DIV HYDRAULIC ACCUMULATOR DIVISION (USA)
SPECIFICATIONS
overall_length2.875 INCHES NOMINAL IN
overall_diameter1.281 INCHES NOMINAL IN
contact_arrangementSINGLE POLE, SINGLE THROW, NORMALLY OPEN
delay_time_in_seconds20.0 FIXED RELEASE NOMINAL
environmental_protectionHERMETIC
terminal_type_and_quantity8 PIN
heater_power_rating_in_watts2.0
mounting_facility_type_and_quantity1 OCTAL BASE PLUG-IN
contact_maximum_current_rating_in_amps3.0 AC
NSN4820-00-194-9980
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 702987 · Zapf ⚠ 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
SUBSTITUTES & CROSS-REFERENCES 1
A105-252-6Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 702987?
702987 is a RELAY,THERMAL manufactured by Zapf.
What parts can replace 702987?
There is 1 known substitute for 702987: A105-252-6. Substitute compatibility should be verified for your specific system.
What is the NSN for 702987?
702987 is cataloged in the U.S. Government catalog under NSN 4820-00-194-9980. This indicates validated use in U.S. government and defense supply chains.
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