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Technical Data Sheet
PartsTable / COMPONENT / CS4730-0108A053DJ
CS4730-0108A053DJ ✓ 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

HEATING ELEMENT,ELECTRICAL,IMMER. Key specifications include material: COPPER ALLOY, thickness: 0.938 INCHES NOMINAL IN, neck_height: 0.875 INCHES NOMINAL IN, groove_depth: 0.125 INCHES NOMINAL IN, groove_width: 0.203 INCHES NOMINAL IN, bore_diameter: 2.875 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-989-7459, 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
CS4730-0108A053DJ
NSN: 4730-00-989-7459
FSC: 4730
CAGE: 63686 — THE WALWORTH COMPANY (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.938 INCHES NOMINAL IN
neck_height0.875 INCHES NOMINAL IN
groove_depth0.125 INCHES NOMINAL IN
groove_width0.203 INCHES NOMINAL IN
bore_diameter2.875 INCHES NOMINAL IN
flange_diameter6.125 INCHES NOMINAL IN
socket_diameter2.875 INCHES NOMINAL IN
style_designatorROUND, ONE BOLT HOLE CIRCLE
bolt_hole_diameter0.688 INCHES NOMINAL IN
bolt_hole_quantity6
bolt_circle_diameter5.000 INCHES NOMINAL IN
NSN4730-00-989-7459
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS4730-0108A053DJ · 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
•
MATERIAL: COPPER ALLOY
•
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 2.875 INCHES NOMINAL IN
•
GROOVE DEPTH: 0.125 INCHES NOMINAL IN
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 2.500 INCHES IN
•
BOLT HOLE DIAMETER: 0.688 INCHES NOMINAL IN
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
FACE SEATING SURFACE CONDITION: MACHINED
•
NONDEFINITIVE SPEC/STD DATA: PR TYPE AND PLAIN,250 LB CLASS LBS
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALCOPPER ALLOY
TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED2.875 INCHES NOMINAL IN
GROOVE DEPTH0.125 INCHES NOMINAL IN
NOMINAL PIPE SIZE FOR WHICH DESIGNED2.500 INCHES IN
BOLT HOLE DIAMETER0.688 INCHES NOMINAL IN
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
FACE SEATING SURFACE CONDITIONMACHINED
NONDEFINITIVE SPEC/STD DATAPR TYPE AND PLAIN,250 LB CLASS LBS
OPERATING PRESSURE AND TYPE250.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
SOCKET DIAMETER2.875 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
MILF20042CInterchangeable
interchangeable cross-reference
interchangeable
MILE20042PLAIN250LBCLASSTYPEPRInterchangeable
interchangeable cross-reference
interchangeable
CS4730-0108A0580JInterchangeable
interchangeable cross-reference
interchangeable
CS4730-0108Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-20042Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-20042Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS4730-0108A053DJ?
CS4730-0108A053DJ is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace CS4730-0108A053DJ?
There are 17 known substitutes for CS4730-0108A053DJ: MILF20042C, MILE20042PLAIN250LBCLASSTYPEPR, CS4730-0108A0580J and 14 more. Substitute compatibility should be verified for your specific system.
Is CS4730-0108A053DJ still available?
CS4730-0108A053DJ 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