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Technical Data Sheet
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401561 ✓ 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

The GOVERNOR ASSEMBLY,AIR BRAKE is a the manufacturer industrial component. Key specifications include component_quantity: 16, end_item_identification: 3805-01-431-1165; TRUCK, LINE HAUL TRACTOR(M915 SERIES). This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-529-4288, 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
401561
NSN: 4820-00-529-4288
FSC: 4820
CAGE: 77068 — ALLIED-SIGNAL INC DBA ALLIED-SIGNAL AEROSPACE CO ELECTRODYNAMICS DIV (USA)
SPECIFICATIONS
component_quantity16
end_item_identification3805-01-431-1165; TRUCK, LINE HAUL TRACTOR(M915 SERIES)
nonsupply_items_and_quantities5X050 32-0008-11 BAG,ZIPLOCK 1;5X050 80-0004-38 CAPSCREW 2;5X050 02-1600-43 SPACER 1;5X050 80-0007-15 WASHER,LOCK 2;5X050 80-0006-85 NUT 1;5X050 80-0006-27 NUT 2;5X050 08-0012-01 PIN,COTTER 1
NSN4820-00-529-4288
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 401561 · 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
•
MEDIA FOR WHICH DESIGNED: HYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
•
SEAT ANGLE: 37.0 DEGREES FIRST END
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
•
MATERIAL: ALUMINUM ALLOY BODY
•
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED: 0.500 INCHES FIRST END IN
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
FLOW CONTROL DEVICE: CONE
•
THREAD CLASS: 3A FIRST END A
TECHNICAL CHARACTERISTICS (FLIS)
MEDIA FOR WHICH DESIGNEDHYDRAULIC FLUID, PHOSPHATE-ESTER BASE SINGLE RESPONSE
SEAT ANGLE37.0 DEGREES FIRST END
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
MATERIALALUMINUM ALLOY BODY
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.500 INCHES FIRST END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
FLOW CONTROL DEVICECONE
THREAD CLASS3A FIRST END A
THREAD DIRECTIONRIGHT-HAND FIRST END
DISK LOADING METHODSPRING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
410986C92Interchangeable
interchangeable cross-reference
interchangeable
N-49729Interchangeable
interchangeable cross-reference
interchangeable
226431Interchangeable
interchangeable cross-reference
interchangeable
01-5000-35Interchangeable
interchangeable cross-reference
interchangeable
CMG/401561Interchangeable
interchangeable cross-reference
interchangeable
401561-35Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 401561?
401561 is a GOVERNOR ASSEMBLY,AIR BRAKE.
What parts can replace 401561?
There are 7 known substitutes for 401561: 410986C92, N-49729, 226431 and 4 more. Substitute compatibility should be verified for your specific system.
Is 401561 still available?
401561 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: July 2026