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MS29521-24 — 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

TRANSFORMER,POWER AUTOTRANSFORME. Key specifications include FSC APPLICATION DATA: DISK,SWING CHECK VALVE,ENGINE,AIRCRAFT. This part is cataloged in the Federal Logistics Information System under NSN 4820-00-098-3536, 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
MS29521-24
NSN: 4820-00-098-3536
FSC: 4820
CAGE: 96906 — MILITARY STANDARDS PROMULGATED BY MILITARY DEPARTMENTS UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
FSC APPLICATION DATADISK,SWING CHECK VALVE,ENGINE,AIRCRAFT
NSN4820-00-098-3536
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: MS29521-24 · 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
•
FSC APPLICATION DATA: DISK,SWING CHECK VALVE,ENGINE,AIRCRAFT
TECHNICAL CHARACTERISTICS
FSC APPLICATION DATADISK,SWING CHECK VALVE,ENGINE,AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
SEC857GInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
B6259InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
37161InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
00044InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
62400InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
53938-000InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MS29521-24?
MS29521-24 is a TRANSFORMER,POWER AUTOTRANSFORME.
What parts can replace MS29521-24?
There are 21 known substitutes for MS29521-24: SEC857G, B6259, 37161 and 18 more. Substitute compatibility should be verified for your specific system.
Is MS29521-24 still available?
MS29521-24 is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: September 2026