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504051 — GEAR SET,BEVEL,MATCHED

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

504051: GEAR SET,BEVEL,MATCHED.

The GEAR SET,BEVEL,MATCHED is a the manufacturer industrial component. Key specifications include material: STEEL COMP 416 OVERALL, body_style: PLAIN, SOLID, bore_style: PLAIN BOTH ENDS, tooth_form: STANDARD, pitch_diameter: 1.0620 INCHES NOMINAL IN, pressure_angle: 14.5000 DEGREES. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-070-7874, 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
504051
NSN: 4820-00-070-7874
NIINs: 000707874, 005172637, 016637597
FSC: 4820 — Valves, Nonpowered
CAGE: 81833 — AEROCONTROLEX GROUP, INC. (USA)
SPECIFICATIONS
materialSTEEL COMP 416 OVERALL
body_stylePLAIN, SOLID
bore_stylePLAIN BOTH ENDS
tooth_formSTANDARD
pitch_diameter1.0620 INCHES NOMINAL IN
pressure_angle14.5000 DEGREES
teeth_quantity34
special_featuresNO. 5 TAPER HOLE 9.64IN. FROM END OF HUB IN
style_designatorPROTRUDING HUB
attachment_methodMOUNTING HOLE
face_nominal_width0.156 INCHES IN
hub_nominal_diameter0.625 INCHES FIRST END IN
NSN4820-00-070-7874
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 504051 · 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
•
FLOW CONTROL DEVICE: DISK
•
MATERIAL: ALUMINUM ALLOY BODY
•
VALVE OPERATION METHOD: AUTOMATIC
TECHNICAL CHARACTERISTICS
FLOW CONTROL DEVICEDISK
MATERIALALUMINUM ALLOY BODY
VALVE OPERATION METHODAUTOMATIC
SUBSTITUTES & CROSS-REFERENCES 1
F5040-32Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 504051?
504051 is a GEAR SET,BEVEL,MATCHED.
What parts can replace 504051?
There is 1 known substitute for 504051: F5040-32. Substitute compatibility should be verified for your specific system.
What is the NSN for 504051?
504051 is cataloged in the U.S. Government catalog under NSN 4820-00-070-7874. 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.