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Technical Data Sheet
PartsTable / MRO / 30549
30549 ✓ Verified by PartsTable
— · 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include filter: NOT INCLUDED, material: ALUMINUM BODY, body_style: TEE, bore_diameter: 0.1890 INCHES NOMINAL IN, overall_length: 1.763 INCHES NOMINAL IN, regulation_type: AUTOMATIC SINGLE STAGE. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-118-8484, 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→ 30549
NSN: 4820-01-118-8484
FSC: 4820
CAGE: 24658 — GENERAL REGULATOR CORP. DBA ACCUDRIV (USA)
SPECIFICATIONS
filterNOT INCLUDED
materialALUMINUM BODY
body_styleTEE
bore_diameter0.1890 INCHES NOMINAL IN
overall_length1.763 INCHES NOMINAL IN
regulation_typeAUTOMATIC SINGLE STAGE
bore_counterboreNOT INCLUDED
bore_countersinkNOT INCLUDED
special_featuresZINC BASE ALLOY
style_designatorRECTANGULAR
flow_control_deviceDISK
valve_loading_methodSPRING
NSN4820-01-118-8484
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: 30549 · 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 19
1E4567-000AInterchangeable
interchangeable cross-reference
interchangeable
1E4567-000A-2Interchangeable
interchangeable cross-reference
interchangeable
30549Interchangeable
interchangeable cross-reference
interchangeable
30549 PIECE 6Interchangeable
interchangeable cross-reference
interchangeable
30549 PC35Interchangeable
interchangeable cross-reference
interchangeable
77391-01Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30549?
30549 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 30549?
There are 19 known substitutes for 30549: 1E4567-000A, 1E4567-000A-2, 30549 and 16 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30549?
30549 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-01-118-8484. 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