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Technical Data Sheet
PartsTable / MRO / R348
R348 ✓ 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

The RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, body_length: 0.781 INCHES MAXIMUM IN, reducer_type: CONCENTRIC, thread_class: 3A SECOND END A, body_diameter: 0.438 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 4820-00-587-2219, 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→ R348
NSN: 4820-00-587-2219
FSC: 4820
CAGE: 81833 — AEROCONTROLEX GROUP, INC. (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES ALL ENDS
body_length0.781 INCHES MAXIMUM IN
reducer_typeCONCENTRIC
thread_class3A SECOND END A
body_diameter0.438 INCHES MAXIMUM IN
terminal_typeWIRE LEAD
inclosure_typeENCAPSULATED
connection_typeTHREADED INTERNAL TUBE FIRST END
terminal_length1.300 INCHES NOMINAL IN
connection_styleFLARED (TUBE) FIRST END
special_features19 INCH RACK,48 VDC INCLUDES POWER SUPPLY VDC
NSN4820-00-587-2219
COMPONENT DIAGRAM
GATE VALVE — FULL OPEN OR FULL CLOSE ONLY Rising STEM BONNET FLOW → → FLOW SEATS — — SIZE: — · — · — PN: R348 · 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 4
3571Interchangeable
interchangeable cross-reference
interchangeable
R348Interchangeable
interchangeable cross-reference
interchangeable
0811-0591Interchangeable
interchangeable cross-reference
interchangeable
2789PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R348?
R348 is a RESISTOR,FIXED,WIRE WOUND. It is classified as a MRO (MRO_GENERAL).
What parts can replace R348?
There are 4 known substitutes for R348: 3571, R348, 0811-0591 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R348?
R348 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4820-00-587-2219. 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