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Technical Data Sheet
PartsTable / COMPONENT / 100R4-20
100R4-20 ✓ Verified by PartsTable
— · 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

FILTER,RADIO FREQUENCY INTERFERE. Key specifications include height: 0.531 INCHES NOMINAL IN, material: SILICON SEMICONDUCTOR, dial_size: 4.500 IN. DIA IN, body_style: ROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE, scale_name: PRESSURE, scale_type: SINGLE.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-533-3476, 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
100R4-20
NSN: 4720-00-533-3476
FSC: 4720
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
height0.531 INCHES NOMINAL IN
materialSILICON SEMICONDUCTOR
dial_size4.500 IN. DIA IN
body_styleROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACEROUND, TERMINAL/TERMINALS IN OPPOSITE SURFACE
scale_namePRESSURE
scale_typeSINGLE
scale_range+0.0 TO 20.0 INCHES OF WATER IN
pointer_typeINDICATING AND REFERENCE
power_rating2.0 WATTS AVERAGE AND 2.0 WATTS AVERAGE AND 200.0 WATTS PEAK200.0 WATTS PEAK
shank_length0.125 INCHES NOMINAL IN
adjustabilityNONADJUSTABLE
overall_depth3.750 INCHES NOMINAL IN
NSN4720-00-533-3476
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 100R4-20 · 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 31
003263-4Interchangeable
interchangeable cross-reference
interchangeable
20C4Interchangeable
interchangeable cross-reference
interchangeable
200615Interchangeable
interchangeable cross-reference
interchangeable
10111293Interchangeable
interchangeable cross-reference
interchangeable
5042Interchangeable
interchangeable cross-reference
interchangeable
9411244Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 100R4-20?
100R4-20 is a FILTER,RADIO FREQUENCY INTERFERE.
What parts can replace 100R4-20?
There are 31 known substitutes for 100R4-20: 003263-4, 20C4, 200615 and 28 more. Substitute compatibility should be verified for your specific system.
Is 100R4-20 still available?
100R4-20 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