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Technical Data Sheet
PartsTable / MRO / 545-4
545-4 ✓ Verified by PartsTable
Sylvanian Families · MRO · MRO_GENERAL
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 RESISTOR,FIXED,WIRE WOUND is a Sylvanian Families industrial component. Key specifications include material: STEEL, body_width: 1.812 INCHES MAXIMUM IN, ring_style: SPECIAL, shaft_type: ROUND, FLATTED SINGLE ACTUATOR, body_height: 2.125 INCHES MAXIMUM IN, body_length: 2.500 INCHES MAXIMUM IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-457-1599, 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
MRO→ MRO_GENERAL→ 545-4
NSN: 4820-00-457-1599
FSC: 4820
CAGE: 79227 — WATTS REGULATOR COMPANY (USA)
SPECIFICATIONS
materialSTEEL
body_width1.812 INCHES MAXIMUM IN
ring_styleSPECIAL
shaft_typeROUND, FLATTED SINGLE ACTUATOR
body_height2.125 INCHES MAXIMUM IN
body_length2.500 INCHES MAXIMUM IN
flat_height0.216 INCHES NOMINAL SINGLE ACTUATOR IN
constructionONE-PIECE
shaft_length0.340 INCHES NOMINAL SINGLE ACTUATOR IN
thread_class2A SINGLE MOUNTING FACILITY A
usage_designINTERNAL
pole_quantity1 SINGLE SECTION FRONT
NSN4820-00-457-1599
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 545-4 · Sylvanian Families ⚠ 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
•
NONSUPPLY ITEMS AND QUANTITIES: DIAPHRAGM 1; STRAINER SCREEN 1; GASKET 1; PLUNGER ASSY W/2 O-RINGS 1
•
COMPONENT QUANTITY: 4
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESDIAPHRAGM 1; STRAINER SCREEN 1; GASKET 1; PLUNGER ASSY W/2 O-RINGS 1
COMPONENT QUANTITY4
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
5454Interchangeable
interchangeable cross-reference
interchangeable
054540001Interchangeable
interchangeable cross-reference
interchangeable
204-663Interchangeable
interchangeable cross-reference
interchangeable
C-116Interchangeable
interchangeable cross-reference
interchangeable
V71041NSR05N30C3MGCInterchangeable
interchangeable cross-reference
interchangeable
V71041NSR05Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 545-4?
545-4 is a RESISTOR,FIXED,WIRE WOUND manufactured by Sylvanian Families. It is classified as a MRO (MRO_GENERAL).
What parts can replace 545-4?
There are 15 known substitutes for 545-4: 5454, 054540001, 204-663 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 545-4?
545-4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-457-1599. 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