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PartsTable / COMPONENT / 5143AND5144
5143AND5144 ✓ 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

THERMAL ELEMENT,TEMPERATURE REGU. Key specifications include color: BLACK FIRST SIDE INSCRIPTION BACKGROUND, width: 2.125 INCHES NOMINAL IN, length: 6.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.063 INCHES NOMINAL IN, attachment_method: HOLE. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-903-0918, 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
5143AND5144
NSN: 4820-00-903-0918
FSC: 4820
CAGE: 95368 — AERCO INTERNATIONAL, INC. DBA AERCO INTERNATIONAL INC (USA)
SPECIFICATIONS
colorBLACK FIRST SIDE INSCRIPTION BACKGROUND
width2.125 INCHES NOMINAL IN
length6.000 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.063 INCHES NOMINAL IN
attachment_methodHOLE
basic_shape_styleRECTANGULAR
marking_designationLEGEND FIRST SIDE
material_document_and_classificationQQ-A-359-CANCELLED FED SPEC SINGLE MATERIAL RESPONSE
NSN4820-00-903-0918
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 5143AND5144 · 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 20
MIL-F-2692Interchangeable
interchangeable cross-reference
interchangeable
5-1-44Interchangeable
interchangeable cross-reference
interchangeable
816470Interchangeable
interchangeable cross-reference
interchangeable
A29562Interchangeable
interchangeable cross-reference
interchangeable
4-010101BInterchangeable
interchangeable cross-reference
interchangeable
1280NInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 5143AND5144?
5143AND5144 is a THERMAL ELEMENT,TEMPERATURE REGU.
What parts can replace 5143AND5144?
There are 20 known substitutes for 5143AND5144: MIL-F-2692, 5-1-44, 816470 and 17 more. Substitute compatibility should be verified for your specific system.
Is 5143AND5144 still available?
5143AND5144 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