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A5238 ✓ Verified by PartsTable
— · HOSE FITTING
WHAT YOU NEED TO KNOW
PTFE tape on tapered threads (NPT/BSPT) JIC/AN flare connections seal metal-to-metal — no tape
NPT != BSPT — look identical, NOT interchangeable
PRODUCT OVERVIEW

CABLE ASSEMBLY,POWER,ELECTRICAL. Key specifications include material: STEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A, nut_style: TUBE COUPLING, nut_height: 0.531 INCHES NOMINAL IN, seat_angle: 45.00 DEGREES NOMINAL, thread_class: 2B, overall_width: 0.750 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-189-2736, 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
A5238
NSN: 4730-00-189-2736
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
materialSTEEL COMP 440A OR STEEL COMP 440B OR STEEL COMP 440C OVERALL A
nut_styleTUBE COUPLING
nut_height0.531 INCHES NOMINAL IN
seat_angle45.00 DEGREES NOMINAL
thread_class2B
overall_width0.750 INCHES NOMINAL IN
thread_seriesUNF
overall_height0.012 INCHES NOMINAL IN
overall_length0.750 INCHES NOMINAL IN
special_featuresAFBMA STANDARD TOLERANCE FOR BALLS,GRADE 48
style_designatorFLAT, RECTANGULAR
thread_directionRIGHT-HAND
NSN4730-00-189-2736
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A5238 · OEM ⚠ VERIFY BEFORE ORDERING NPT ≠ BSPT — tapered threads look identical but are NOT interchangeable. Wrong thread = leak. JIC (37°) ≠ AN (37°) ≠ SAE 45° — flare angles must match exactly. Measure thread pitch with gauge — visual identification is unreliable ✓ BROKER TIP Always use thread sealant (PTFE tape or pipe compound) on tapered threads (NPT/BSPT). JIC/AN flare fittings seal metal-to-metal — never use tape on flare connections PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
FABRICATION METHOD: FORGED
•
THREAD DIRECTION: RIGHT-HAND
•
SMALLEST INSIDE DIAMETER: 0.192 INCHES NOMINAL IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.188 INCHES IN
•
MATERIAL: COPPER ALLOY OVERALL
•
NOMINAL THREAD SIZE: 0.375 INCHES IN
•
THREAD QUANTITY PER INCH: 24
•
SEAT ANGLE: 45.00 DEGREES NOMINAL
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
FABRICATION METHODFORGED
THREAD DIRECTIONRIGHT-HAND
SMALLEST INSIDE DIAMETER0.192 INCHES NOMINAL IN
NOMINAL TUBE OUTSIDE DIAMETER0.188 INCHES IN
MATERIALCOPPER ALLOY OVERALL
NOMINAL THREAD SIZE0.375 INCHES IN
THREAD QUANTITY PER INCH24
SEAT ANGLE45.00 DEGREES NOMINAL
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
6555258Interchangeable
interchangeable cross-reference
interchangeable
MS19060-30Interchangeable
interchangeable cross-reference
interchangeable
MS19060-4826Interchangeable
interchangeable cross-reference
interchangeable
611183PC69Interchangeable
interchangeable cross-reference
interchangeable
54347Interchangeable
interchangeable cross-reference
interchangeable
ANSI/NEMA PUB NO. CB1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A5238?
A5238 is a CABLE ASSEMBLY,POWER,ELECTRICAL.
What parts can replace A5238?
There are 12 known substitutes for A5238: 6555258, MS19060-30, MS19060-4826 and 9 more. Substitute compatibility should be verified for your specific system.
Is A5238 still available?
A5238 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