PartsTable
Technical Data Sheet
PartsTable / COMPONENT / MIL-PRF-20042,TYEF,CL150,1IN
MIL-PRF-20042,TYEF,CL150,1IN ✓ 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

The MIL-PRF-20042,TYEF,CL150,1IN is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-640-6833, 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
MIL-PRF-20042,TYEF,CL150,1IN
NSN: 4730-00-640-6833
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
Part NumberMIL-PRF-20042,TYEF,CL150,1IN
NSN4730-00-640-6833
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-PRF-20042,TYEF,CL150,1IN · 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
•
NECK HEIGHT: 0.688 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
•
BOLT HOLE QUANTITY: 4
•
OPERATING PRESSURE AND TYPE: 150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
•
SUPPLEMENTARY FEATURES: BRAZING RING IS NOT TO BE INSERTED IN GROOVEBUT PACKAGED SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT
•
STYLE DESIGNATOR: ROUND, ONE BOLT HOLE CIRCLE
•
NONDEFINITIVE SPEC/STD DATA: PR TYPE AND PLAIN,150 LB CLASS LBS
•
MATERIAL: COPPER ALLOY
•
FACE SEATING SURFACE CONDITION: SERRATED
TECHNICAL CHARACTERISTICS (FLIS)
NECK HEIGHT0.688 INCHES MINIMUM AND 0.734 INCHES MAXIMUM IN
BOLT HOLE QUANTITY4
OPERATING PRESSURE AND TYPE150.0 POUNDS PER SQUARE INCH (PSI) GAS MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) OIL MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) STEAM MAXIMUM REQUIRED AND 150.0 POUNDS PER SQUARE INCH (PSI) WATER MAXIMUM REQUIRED LOCATION NOT OTHERWISE SPECIFIED LBS
SUPPLEMENTARY FEATURESBRAZING RING IS NOT TO BE INSERTED IN GROOVEBUT PACKAGED SEPARATELY AND EITHER INCLUDED WITHIN THE PARENT COMPONENT PACKAGE OR PHYSICALLY ATTACHED TO PARENT COMPONENT
STYLE DESIGNATORROUND, ONE BOLT HOLE CIRCLE
NONDEFINITIVE SPEC/STD DATAPR TYPE AND PLAIN,150 LB CLASS LBS
MATERIALCOPPER ALLOY
FACE SEATING SURFACE CONDITIONSERRATED
MAXIMUM OPERATING TEMP AND MEDIA FOR WHICH DESIGNED425.0 FAHRENHEIT GAS AND 425.0 FAHRENHEIT OIL AND 425.0 FAHRENHEIT STEAM AND 425.0 FAHRENHEIT WATER DEGF
FLANGE SECTION STYLEPLAIN FACE, SOCKET BRAZING NECK
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
CS4730-0108Interchangeable
interchangeable cross-reference
interchangeable
MIL-F-20042Interchangeable
interchangeable cross-reference
interchangeable
MIL-PRF-20042Interchangeable
interchangeable cross-reference
interchangeable
CS4730-0108A044DJInterchangeable
interchangeable cross-reference
interchangeable
3132483 PIECE 9Interchangeable
interchangeable cross-reference
interchangeable
202176REVDITEM22Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-PRF-20042,TYEF,CL150,1IN?
MIL-PRF-20042,TYEF,CL150,1IN is a MIL-PRF-20042,TYEF,CL150,1IN.
What parts can replace MIL-PRF-20042,TYEF,CL150,1IN?
There are 15 known substitutes for MIL-PRF-20042,TYEF,CL150,1IN: CS4730-0108, MIL-F-20042, MIL-PRF-20042 and 12 more. Substitute compatibility should be verified for your specific system.
Is MIL-PRF-20042,TYEF,CL150,1IN still available?
MIL-PRF-20042,TYEF,CL150,1IN 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