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54512 ✓ Verified by PartsTable
Microconnect · 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 TUBE ASSEMBLY,AIR DUCT is a Microconnect industrial component. Key specifications include material: ALUMINUM HEAD, overall_height: 0.094 INCHES NOMINAL IN, outside_diameter: 1.155 INCHES NOMINAL IN, special_features: SPRING CHARGING MOTOR, style_designator: SOLID, frequency_in_hertz: 60.0 OUTPUT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-078-2547, 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
54512
NSN: 4820-00-078-2547
FSC: 4820
CAGE: 53059 — SPIRAX SARCO INC DBA SPIRAX SARCO (USA)
SPECIFICATIONS
materialALUMINUM HEAD
overall_height0.094 INCHES NOMINAL IN
outside_diameter1.155 INCHES NOMINAL IN
special_featuresSPRING CHARGING MOTOR
style_designatorSOLID
frequency_in_hertz60.0 OUTPUT
end_item_identification420 FT WAGB COAST GUARD VESSELS FT
media_for_which_designedSTEAM
general_characteristics_item_descriptionCRES 321,1.500 IN. OD,0.035 IN. WALL THK,FLANGE END ATTACHMENTS BOTH ENDS,2 EA BELLOWS INTERMEDIATE ATTACHMENTS IN
connection_type_and_voltage_rating_in_volts120.0 LINE TO LINE SINGLE OUTPUT
NSN4820-00-078-2547
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 54512 · Microconnect ⚠ 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
•
STYLE DESIGNATOR: SOLID
•
MEDIA FOR WHICH DESIGNED: STEAM
•
OUTSIDE DIAMETER: 1.155 INCHES NOMINAL IN
•
MATERIAL: STEEL
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSOLID
OVERALL HEIGHT0.094 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDSTEAM
OUTSIDE DIAMETER1.155 INCHES NOMINAL IN
MATERIALSTEEL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
5663-4Interchangeable
interchangeable cross-reference
interchangeable
5663Interchangeable
interchangeable cross-reference
interchangeable
54512Interchangeable
interchangeable cross-reference
interchangeable
SF54512Interchangeable
interchangeable cross-reference
interchangeable
54512R91Interchangeable
interchangeable cross-reference
interchangeable
R004956AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 54512?
54512 is a TUBE ASSEMBLY,AIR DUCT manufactured by Microconnect.
What parts can replace 54512?
There are 11 known substitutes for 54512: 5663-4, 5663, 54512 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 54512?
54512 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-078-2547. 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