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Technical Data Sheet
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87634-7504 — Technical Data Sheet

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— · GATE VALVE
WHAT YOU NEED TO KNOW
Full open or full close only — never throttle Rising stem shows position visually
Throttling a gate valve erodes seats
PRODUCT OVERVIEW

The GEAR,DRIVE,VENT VALVE is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: NICKEL COPPER ALLOY;14.250 IN. OD;13.250 IN.

ID;5.125 IN. H IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4820-01-121-1909, 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
87634-7504
NSN: 4820-01-121-1909
FSC: 4820
CAGE: 96169 — ELECTRIC BOAT CORPORATION DIV GENERAL DYNAMICS ELECTRIC BOAT (USA)
SPECIFICATIONS
general_characteristics_item_descriptionNICKEL COPPER ALLOY;14.250 IN. OD;13.250 IN. ID;5.125 IN. H IN
NSN4820-01-121-1909
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 87634-7504 · 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
•
GENERAL CHARACTERISTICS ITEM DESCRIPTION: NICKEL COPPER ALLOY;14.250 IN. OD;13.250 IN. ID;5.125 IN. H IN
TECHNICAL CHARACTERISTICS
GENERAL CHARACTERISTICS ITEM DESCRIPTIONNICKEL COPPER ALLOY;14.250 IN. OD;13.250 IN. ID;5.125 IN. H IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
501-4675698 ITEInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501-4675698 ITEM 14InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501-4675698 ITEM 8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501-4675696InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501-4675698InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
501-4675698 ITEM 13InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 87634-7504?
87634-7504 is a GEAR,DRIVE,VENT VALVE.
What parts can replace 87634-7504?
There are 20 known substitutes for 87634-7504: 501-4675698 ITE, 501-4675698 ITEM 14, 501-4675698 ITEM 8 and 17 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 87634-7504?
87634-7504 is cataloged in the Federal Logistics Information System under NSN 4820-01-121-1909. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: October 2026