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78875 PART 78897 — DIAPHRAGM,ACTUATOR VALVE,SPECIAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

78875 PART 78897: DIAPHRAGM,ACTUATOR VALVE,SPECIAL.

DIAPHRAGM,ACTUATOR VALVE,SPECIAL. Key specifications include material: PLASTIC, bead_diameter: 1.500 INCHES NOMINAL IN, outside_diameter: 1.850 INCHES NOMINAL IN, style_designator: SPECIAL SHAPED, material_thickness: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN, center_hole_diameter: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-01-126-9942, 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
78875 PART 78897
NSN: 4820-01-126-9942
FSC: 4820 — Valves, Nonpowered
CAGE: 09790 — EATON AEROSPACE LLC DBA STERER ENGINEERING DIV VALVE & ACTUATOR (USA)
SPECIFICATIONS
materialPLASTIC
bead_diameter1.500 INCHES NOMINAL IN
outside_diameter1.850 INCHES NOMINAL IN
style_designatorSPECIAL SHAPED
material_thickness0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
center_hole_diameter0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
NSN4820-01-126-9942
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 78875 PART 78897 · 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
•
BEAD DIAMETER: 1.500 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.850 INCHES NOMINAL IN
•
STYLE DESIGNATOR: SPECIAL SHAPED
•
MATERIAL THICKNESS: 0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
•
CENTER HOLE DIAMETER: 0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
•
MATERIAL: PLASTIC
TECHNICAL CHARACTERISTICS
BEAD DIAMETER1.500 INCHES NOMINAL IN
OUTSIDE DIAMETER1.850 INCHES NOMINAL IN
STYLE DESIGNATORSPECIAL SHAPED
MATERIAL THICKNESS0.013 INCHES MINIMUM AND 0.017 INCHES MAXIMUM IN
CENTER HOLE DIAMETER0.185 INCHES MINIMUM AND 0.195 INCHES MAXIMUM IN
MATERIALPLASTIC
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

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 78875 PART 78897?
78875 PART 78897 is a DIAPHRAGM,ACTUATOR VALVE,SPECIAL.
What is the NSN for 78875 PART 78897?
78875 PART 78897 is cataloged in the U.S. Government catalog under NSN 4820-01-126-9942. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.