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803-4384431 — GEAR SET,SPUR,INTERNAL

✓ Government record, cited
— · GATE VALVE
PRODUCT OVERVIEW

803-4384431: GEAR SET,SPUR,INTERNAL.

The GEAR SET,SPUR,INTERNAL is a the manufacturer industrial component. Key specifications include height: 2.375 INCHES NOMINAL IN, material: COPPER ALLOY, outside_diameter: 10.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 4820-00-545-3789, 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
803-4384431
NSN: 4820-00-545-3789
NIINs: 005453789, 005453828, 010445324, 010446714, 010893241, 011211911, 011269847, 011455650, 011464806, 012008708, 013377341
FSC: 4820 — Valves, Nonpowered
CAGE: 80064 — NAVAL SHIP SYSTEMS COMMAND (USA)
SPECIFICATIONS
height2.375 INCHES NOMINAL IN
materialCOPPER ALLOY
outside_diameter10.750 INCHES NOMINAL IN
NSN4820-00-545-3789
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 803-4384431 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: STEEL,MIL-S-22698,TY 1,HR,15.250 IN. LG,2.000 IN. W,0.938 IN. THK IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONSTEEL,MIL-S-22698,TY 1,HR,15.250 IN. LG,2.000 IN. W,0.938 IN. THK IN
SUBSTITUTES & CROSS-REFERENCES 3
803-4384431PC60Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
810-4384431PC60Reference document
Same NSN cross-reference
Reference document — Secondary reference
803-4384431-A-60Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 803-4384431?
803-4384431 is a GEAR SET,SPUR,INTERNAL.
What parts can replace 803-4384431?
There are 3 known substitutes for 803-4384431: 803-4384431PC60, 810-4384431PC60, 803-4384431-A-60. Substitute compatibility should be verified for your specific system.
What is the NSN for 803-4384431?
803-4384431 is cataloged in the U.S. Government catalog under NSN 4820-00-545-3789. 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.