PartsTable
Technical Data Sheet
PartsTable / MRO / R1-9B
R1-9B ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include material: STEEL CORROSION RESISTING OVERALL, body_style: CYLINDRICAL BUSHING MOUNTED, shaft_style: ROUND, actuator_type: SINGLE SHAFT, outside_diameter: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN, style_designator: CIRCULAR. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-076-3373, 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→ R1-9B
NSN: 5330-00-076-3373
FSC: 5330
CAGE: 72433 — FLEXITALLIC GASKET CO INC (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
body_styleCYLINDRICAL BUSHING MOUNTED
shaft_styleROUND
actuator_typeSINGLE SHAFT
outside_diameter1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
section_quantity1
style_designatorCIRCULAR
aperture_diameter1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
cross-sectional_thickness0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
cross-sectional_shape_styleMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
NSN5330-00-076-3373
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: R1-9B MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
OUTSIDE DIAMETER: 1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
•
APERTURE DIAMETER: 1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
•
CROSS-SECTIONAL THICKNESS: 0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
•
STYLE DESIGNATOR: CIRCULAR
•
CROSS-SECTIONAL SHAPE STYLE: METAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
OUTSIDE DIAMETER1.375 INCHES NOMINAL1.375 INCHES NOMINAL IN
APERTURE DIAMETER1.000 INCHES NOMINAL1.000 INCHES NOMINAL IN
CROSS-SECTIONAL THICKNESS0.125 INCHES NOMINAL0.125 INCHES NOMINAL IN
STYLE DESIGNATORCIRCULAR
CROSS-SECTIONAL SHAPE STYLEMETAL WINDING W/ SOFT FILLERMETAL WINDING W/ SOFT FILLER
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 25
R-1Interchangeable
interchangeable cross-reference
interchangeable
AIRETOOL CAT-G-1200Interchangeable
interchangeable cross-reference
interchangeable
MR1S1-250Interchangeable
interchangeable cross-reference
interchangeable
3/16BALL-3/32SInterchangeable
interchangeable cross-reference
interchangeable
18.209-1Interchangeable
interchangeable cross-reference
interchangeable
1112-0008Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is R1-9B?
R1-9B is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace R1-9B?
There are 25 known substitutes for R1-9B: R-1, AIRETOOL CAT-G-1200, MR1S1-250 and 22 more. Substitute compatibility should be verified for your specific system.
What is the NSN for R1-9B?
R1-9B is cataloged in the Federal Logistics Information System (FLIS) under NSN 5330-00-076-3373. 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