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Technical Data Sheet
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R101-03 — Technical Data Sheet

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— · PIPE SECTION
WHAT YOU NEED TO KNOW
Schedule = wall thickness, NOT diameter Nominal pipe size != actual OD
Sch 40 and Sch 80 same OD, different wall
PRODUCT OVERVIEW

RESISTOR NETWORK,FIXED,WIRE WOUN. Key specifications include phase: THREE OUTPUT, width: 0.500 INCHES NOMINAL IN, length: 25.000 FEET NOMINAL FT, thickness: 0.0030 INCHES NOMINAL IN, tube_type: DIODE, duty_cycle: CONTINUOUS. This part is cataloged in the Federal Logistics Information System under NSN 4720-00-857-1735, 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
R101-03
NSN: 4720-00-857-1735
FSC: 4720
CAGE: 78570 — SMITHS TUBULAR SYSTEMS-LACONIA, INC. (USA)
SPECIFICATIONS
phaseTHREE OUTPUT
width0.500 INCHES NOMINAL IN
length25.000 FEET NOMINAL FT
thickness0.0030 INCHES NOMINAL IN
tube_typeDIODE
duty_cycleCONTINUOUS
design_typeCONTINUOUS FLOW
temp_rating50.0 AMBIENT CELSIUS
current_typeDC INPUT
power_rating5.000 KILOWATTS INPUT
overall_width15.000 INCHES IN
cooling_methodAMBIENT AIR
NSN4720-00-857-1735
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: R101-03 · OEM ⚠ VERIFY BEFORE ORDERING Schedule = wall thickness, NOT pipe diameter. Sch 40 and Sch 80 have the same OD but different wall thickness. Nominal pipe size ≠ actual OD — a 1" pipe is actually 1.315" OD ✓ BROKER TIP Sch 40 = standard wall, Sch 80 = heavy wall (higher pressure), Sch 160 = extra heavy. Seamless pipe is required for high-pressure applications — welded pipe has lower ratings PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
35308030InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
1243InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
PF28InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
S1243InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
666-3InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
52800InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R101-03?
R101-03 is a RESISTOR NETWORK,FIXED,WIRE WOUN.
What parts can replace R101-03?
There are 24 known substitutes for R101-03: 35308030, 1243, PF28 and 21 more. Substitute compatibility should be verified for your specific system.
Is R101-03 still available?
R101-03 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: September 2026