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8438251 — RESISTOR,VARIABLE,WIRE WOUND,NON

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

8438251: RESISTOR,VARIABLE,WIRE WOUND,NON.

RESISTOR,VARIABLE,WIRE WOUND,NON. Key specifications include body_style: CYLINDRICAL, flow_angle: 45.0 DEGREES SECOND END, seat_angle: 37.0 DEGREES FIRST END, body_length: 0.170 INCHES NOMINAL IN, temp_rating: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF, thread_class: 2B FIRST END. This part is cataloged in the U.S.

Government catalog under NSN 4720-00-124-1480, 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→ 8438251
NSN: 4720-00-124-1480
NIINs: 001241480, 009746141
FSC: 4720 — Hose and Flexible Tubing
CAGE: 19204 — ARMY, UNITED STATES DEPARTMENT OF THE DBA ROCK ISLAND ARSENAL JMTC (USA)
SPECIFICATIONS
body_styleCYLINDRICAL
flow_angle45.0 DEGREES SECOND END
seat_angle37.0 DEGREES FIRST END
body_length0.170 INCHES NOMINAL IN
temp_rating-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B FIRST END
actuator_typeFLUSH DRIVE WITH SLOT-HOLE
body_diameter0.500 INCHES NOMINAL IN
overall_length0.358 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL TUBE FIRST END
inside_diameter0.242 INCHES MINIMUM AND 0.273 INCHES MAXIMUM IN
mounting_methodTERMINAL
NSN4720-00-124-1480
COMPONENT DIAGRAM
PIPE SECTION — SCHEDULE = WALL THICKNESS WALL: — OD: — LENGTH: — — — PN: 8438251 · 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
•
FLOW ANGLE: 45.0 DEGREES SECOND END
•
MEASURING METHOD AND LENGTH: 19.375 INCHES NOMINAL OVERALL IN
•
TEMP RATING: -65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
•
MINIMUM INSIDE BENDING RADIUS: 4.000 INCHES IN
•
CONNECTION STYLE: SWIVEL NUT FLARE SECOND END
•
LAYER COMPOSITION AND LOCATION: OUTER LAYER MOLDED RUBBER, SYNTHETIC AND 1ST LAYER BRAIDED STEEL WIRE
•
CONNECTION TYPE: THREADED INTERNAL TUBE SECOND END
TECHNICAL CHARACTERISTICS
FLOW ANGLE45.0 DEGREES SECOND END
MEASURING METHOD AND LENGTH19.375 INCHES NOMINAL OVERALL IN
TEMP RATING-65.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
MINIMUM INSIDE BENDING RADIUS4.000 INCHES IN
CONNECTION STYLESWIVEL NUT FLARE SECOND END
CONNECTION STYLESWIVEL NUT FLARE FIRST END
LAYER COMPOSITION AND LOCATIONOUTER LAYER MOLDED RUBBER, SYNTHETIC AND 1ST LAYER BRAIDED STEEL WIRE
CONNECTION TYPETHREADED INTERNAL TUBE SECOND END
CONNECTION TYPETHREADED INTERNAL TUBE FIRST END
CROSS-SECTIONAL SHAPE STYLEROUND
SUBSTITUTES & CROSS-REFERENCES 1
4720001241480Reference document
Same NSN cross-reference
Reference document — Informative reference only
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 8438251?
8438251 is a RESISTOR,VARIABLE,WIRE WOUND,NON. It is classified as a MRO (MRO_GENERAL).
What parts can replace 8438251?
There is 1 known substitute for 8438251: 4720001241480. Substitute compatibility should be verified for your specific system.
What is the NSN for 8438251?
8438251 is cataloged in the U.S. Government catalog under NSN 4720-00-124-1480. This indicates validated use in U.S. government and defense supply chains.
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