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520742 — SCREEN,EXHAUST

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

520742: SCREEN,EXHAUST.

The SCREEN,EXHAUST is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, tooth_form: STANDARD, pitch_diameter: 1.8750 INCHES NOMINAL IN, pressure_angle: 20.0000 DEGREES, teeth_quantity: 60. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-415-1394, 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
520742
NSN: 4820-00-415-1394
NIINs: 004151394, 005175040, 006323691
FSC: 4820 — Valves, Nonpowered
CAGE: 15667 — CASE J I CO (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
body_stylePLAIN, SOLID
tooth_formSTANDARD
pitch_diameter1.8750 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity60
special_features1/16 IN. BY 45 DEG CHAMFER ON BOTH ENDS OF HUB IN
style_designatorPROTRUDING HUBS
face_nominal_width0.188 INCHES IN
hub_nominal_diameter0.625 INCHES FIRST END IN
hub_style_designatorPLAIN BOTH ENDS
keyway_nominal_width0.064 INCHES BOTH ENDS IN
NSN4820-00-415-1394
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 520742 · 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
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 520742?
520742 is a SCREEN,EXHAUST.
What is the NSN for 520742?
520742 is cataloged in the U.S. Government catalog under NSN 4820-00-415-1394. This indicates validated use in U.S. government and defense supply chains.
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