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Technical Data Sheet
PartsTable / MRO / 238-030
238-030 ✓ Verified by PartsTable
— · MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Grade/class stamped on head determines strength Metric and imperial threads look similar — measure pitch
Verify thread pitch — metric != imperial
PRODUCT OVERVIEW

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include shape: ROUND, material: PLASTIC, body_style: TUBE TYPE, ring_style: SPIRAL, bore_length: 4.875 INCHES NOMINAL IN, usage_design: EXTERNAL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-294-1298, 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→ 238-030
NSN: 5325-00-294-1298
FSC: 5325
CAGE: 62983 — EATON AEROSPACE, LLC DBA JACKSON SOUTH (USA)
SPECIFICATIONS
shapeROUND
materialPLASTIC
body_styleTUBE TYPE
ring_styleSPIRAL
bore_length4.875 INCHES NOMINAL IN
usage_designEXTERNAL
bore_diameter1.062 INCHES MINIMUM AND 1.063 INCHES MAXIMUM IN
overall_width6.500 INCHES NOMINAL IN
cooling_methodAIR TO AIR COOLED
overall_height4.983 INCHES NOMINAL IN
overall_length1.219 INCHES MINIMUM AND 1.281 INCHES MAXIMUM IN
inside_diameter1.680 INCHES NOMINAL IN
NSN5325-00-294-1298
COMPONENT DIAGRAM
BOLT / SCREW — THREAD VERIFICATION REQUIRED Hex HEAD LENGTH: — THREAD: — × — MATERIAL: — PN: 238-030 · OEM ⚠ VERIFY BEFORE ORDERING Verify thread pitch before ordering — metric (M8×1.25) ≠ imperial (5/16-18). Wrong thread = wrong part. Grade/class stamped on bolt head determines tensile strength ✓ BROKER TIP Grade/class stamped on head determines tensile strength. Grade 8 > Grade 5 > Grade 2. Always confirm head marking matches specification requirement PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
RING STYLE: SPIRAL
•
USAGE DESIGN: EXTERNAL
•
MATERIAL: STEEL
•
CROSS-SECTIONAL SHAPE STYLE: DOUBLE OVAL
•
INSIDE DIAMETER: 1.680 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
•
MAJOR THICKNESS: 0.050 INCHES NOMINAL IN
•
OUTSIDE DIAMETER: 1.918 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
RING STYLESPIRAL
USAGE DESIGNEXTERNAL
MATERIALSTEEL
CROSS-SECTIONAL SHAPE STYLEDOUBLE OVAL
INSIDE DIAMETER1.680 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
MAJOR THICKNESS0.050 INCHES NOMINAL IN
OUTSIDE DIAMETER1.918 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
238030Interchangeable
interchangeable cross-reference
interchangeable
BM502-490Interchangeable
interchangeable cross-reference
interchangeable
Z38030Interchangeable
interchangeable cross-reference
interchangeable
080739-1Interchangeable
interchangeable cross-reference
interchangeable
5920PL0981800Interchangeable
interchangeable cross-reference
interchangeable
R2723-A/S HYDREMAInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 238-030?
238-030 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 238-030?
There are 6 known substitutes for 238-030: 238030, BM502-490, Z38030 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 238-030?
238-030 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5325-00-294-1298. 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