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Technical Data Sheet
PartsTable / COMPONENT / CS4730-0108
CS4730-0108 ✓ 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: 0.812 INCHES NOMINAL IN, neck_height: 0.938 INCHES NOMINAL IN, groove_depth: 0.125 INCHES NOMINAL IN, groove_width: 0.250 INCHES NOMINAL IN, socket_depth: 0.625 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-104-2011, 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
CS4730-0108
NSN: 4730-00-104-2011
FSC: 4730
CAGE: 16236 — DLA LAND AND MARITIME DBA ENGINEERING AND TECHNICAL SUPPORT DIV DOCUMENT STANDARDIZATION DIVISION (VENDOR ITEM DRAWINGS) (USA)
SPECIFICATIONS
materialCOPPER ALLOY
thickness0.812 INCHES NOMINAL IN
neck_height0.938 INCHES NOMINAL IN
groove_depth0.125 INCHES NOMINAL IN
groove_width0.250 INCHES NOMINAL IN
socket_depth0.625 INCHES NOMINAL IN
bore_diameter2.875 INCHES NOMINAL IN
flange_diameter5.937 INCHES NOMINAL IN
socket_diameter2.875 INCHES NOMINAL IN
style_designatorROUND, NO BOLT HOLES
bolt_hole_diameter0.688 INCHES NOMINAL IN
bolt_hole_quantity6
NSN4730-00-104-2011
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: CS4730-0108 · 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
•
FLANGE DIAMETER: 17.625 INCHES NOMINAL IN
•
FACE SEATING SURFACE CONDITION: SERRATED
•
MATERIAL: COPPER ALLOY
•
NOMINAL PIPE SIZE FOR WHICH DESIGNED: 12.000 INCHES IN
•
BOLT HOLE QUANTITY: 18
•
FLANGE SECTION STYLE: PLAIN FACE, SOCKET BRAZING NECK
•
NECK HEIGHT: 1.625 INCHES NOMINAL IN
•
BOLT HOLE DIAMETER: 0.812 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE DIAMETER17.625 INCHES NOMINAL IN
FACE SEATING SURFACE CONDITIONSERRATED
MATERIALCOPPER ALLOY
NOMINAL PIPE SIZE FOR WHICH DESIGNED12.000 INCHES IN
BOLT HOLE QUANTITY18
FLANGE SECTION STYLEPLAIN FACE, SOCKET BRAZING NECK
NECK HEIGHT1.625 INCHES NOMINAL IN
BOLT HOLE DIAMETER0.812 INCHES NOMINAL IN
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
OPERATING PRESSURE AND TYPE250.0 POUNDS PER SQUARE INCH (PSI) SALT WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 18
CS4730-0108A044DJInterchangeable
interchangeable cross-reference
interchangeable
CS4730-0108Interchangeable
interchangeable cross-reference
interchangeable
MILF20042Interchangeable
interchangeable cross-reference
interchangeable
202176REVDITEM22Interchangeable
interchangeable cross-reference
interchangeable
MILF20042PLAIN250LBCLASSTYPEPRInterchangeable
interchangeable cross-reference
interchangeable
CS4730-0108C053DHInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is CS4730-0108?
CS4730-0108 is a HEATING ELEMENT,ELECTRICAL,IMMER.
What parts can replace CS4730-0108?
There are 18 known substitutes for CS4730-0108: CS4730-0108A044DJ, CS4730-0108, MILF20042 and 15 more. Substitute compatibility should be verified for your specific system.
What is the NSN for CS4730-0108?
CS4730-0108 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-104-2011. 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