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PartsTable / COMPONENT / 28077-001
28077-001 ✓ Verified by PartsTable
— · 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

VALVE,PRESSURE EQUALIZING,GASEOU. Key specifications include end_item_identification: SMALL-TOWER VOICE SWITCH (STVS), part_name_assigned_by_controlling_agency: ALARM INTERFACE PANEL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-324-4335, 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
28077-001
NSN: 4820-00-324-4335
FSC: 4820
CAGE: 74025 — MARATHONNORCO AEROSPACE, INC. DBA MARATHON POWER TECHNOLOGIES COMPANY (USA)
SPECIFICATIONS
end_item_identificationSMALL-TOWER VOICE SWITCH (STVS)
part_name_assigned_by_controlling_agencyALARM INTERFACE PANEL
NSN4820-00-324-4335
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 28077-001 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
29031Interchangeable
interchangeable cross-reference
interchangeable
34375WInterchangeable
interchangeable cross-reference
interchangeable
728967Interchangeable
interchangeable cross-reference
interchangeable
LS-28049-2Interchangeable
interchangeable cross-reference
interchangeable
28077Interchangeable
interchangeable cross-reference
interchangeable
280377Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 28077-001?
28077-001 is a VALVE,PRESSURE EQUALIZING,GASEOU.
What parts can replace 28077-001?
There are 9 known substitutes for 28077-001: 29031, 34375W, 728967 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 28077-001?
28077-001 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-324-4335. 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: July 2026