PartsTable
Technical Data Sheet
PartsTable / MRO / 1509-4
1509-4 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
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,VARIABLE,NONWIRE WOUND,. Key specifications include diameter: 1.000 INCHES NOMINAL IN, material: STEEL, unit_type: SCREW-IN, body_style: RECTANGULAR, body_width: 0.594 INCHES NOMINAL IN, bore_shape: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4720-00-289-5222, 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→ 1509-4
NSN: 4720-00-289-5222
FSC: 4720
CAGE: 7D712 — HAMPTON RUBBER COMPANY (USA)
SPECIFICATIONS
diameter1.000 INCHES NOMINAL IN
materialSTEEL
unit_typeSCREW-IN
body_styleRECTANGULAR
body_width0.594 INCHES NOMINAL IN
bore_shapeSTRAIGHT
body_height0.734 INCHES NOMINAL IN
body_length0.164 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
actuator_typeINTEGRAL KNOB
bore_diameter20.0 MILLIMETERS NOMINAL MM
overall_width14.0 MILLIMETERS NOMINAL MM
NSN4720-00-289-5222
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 1509-4 · 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
KEY FEATURES
•
OPERATING PRESSURE: 5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
MINIMUM INSIDE BENDING RADIUS: 4.000 INCHES IN
•
LAYER COMPOSITION AND LOCATION: 1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
•
OUTSIDE DIAMETER: 0.690 INCHES NOMINAL IN
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON SINGLE RESPONSE
•
INSIDE DIAMETER: 0.250 INCHES NOMINAL IN
•
HYDROSTATIC TEST PRESSURE: 10000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
TECHNICAL CHARACTERISTICS (FLIS)
OPERATING PRESSURE5000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
MINIMUM INSIDE BENDING RADIUS4.000 INCHES IN
LAYER COMPOSITION AND LOCATION1ST LAYER BRAIDED STEEL WIRE AND 2ND LAYER BRAIDED STEEL WIRE AND OUTER LAYER MOLDED RUBBER, SYNTHETIC
OUTSIDE DIAMETER0.690 INCHES NOMINAL IN
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON SINGLE RESPONSE
INSIDE DIAMETER0.250 INCHES NOMINAL IN
HYDROSTATIC TEST PRESSURE10000.0 POUNDS PER SQUARE INCH SINGLE RESPONSE LBS
END ITEM IDENTIFICATIONGRUMMAN A10 AIRCRAFT; LOGISTICS SUPPORT VESSEL (LSV)
SPECIAL FEATURESLAY LINE WHICH ASSURES NO HOSE TWIST DURING INSTALLATION
TEMP RATING-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
1509-6Interchangeable
interchangeable cross-reference
interchangeable
M24135/1-06Interchangeable
interchangeable cross-reference
interchangeable
MIL-H-24135-6CLInterchangeable
interchangeable cross-reference
interchangeable
FC163-10Interchangeable
interchangeable cross-reference
interchangeable
FC163-1509-10Interchangeable
interchangeable cross-reference
interchangeable
KT-3070-3 ITEMInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1509-4?
1509-4 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 1509-4?
There are 28 known substitutes for 1509-4: 1509-6, M24135/1-06, MIL-H-24135-6CL and 25 more. Substitute compatibility should be verified for your specific system.
Is 1509-4 still available?
1509-4 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