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Technical Data Sheet
PartsTable / COMPONENT / MIL-P-18174
MIL-P-18174 ✓ 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 CABLE ASSEMBLY AND REEL is a the manufacturer cable assembly designed for reliable internal or external connectivity in enterprise server and storage environments. Key specifications include material: STEEL OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: PLAIN, operating_pressure: 6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS, nominal_thread_size: 0.250 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-014-6694, 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-P-18174
NSN: 4730-00-014-6694
FSC: 4730
CAGE: 81349 — MILITARY SPECIFICATIONS PROMULGATED BY MILITARY DEPARTMENTS/AGENCIES UNDER AUTHORITY OF DEFENSE STANDARDIZATION MANUAL 4120 3-M
SPECIFICATIONS
materialSTEEL OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorPLAIN
operating_pressure6000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES ALL ENDS IN
maximum_operating_temp100.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.375 INCHES IN
media_for_which_designedWATER-OIL-GAS SINGLE RESPONSE
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data1 TYPE AND 3 CLASS
material_document_and_classificationASTM A181 GR 2 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-014-6694
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: MIL-P-18174 · 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
•
WORKING PRESSURE AND SERVICE TYPE: 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL STEAM AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS
•
MATERIAL DOCUMENT AND CLASSIFICATION: ASTM A105, GRADE 2, ASTM A182, GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE
•
INTERNAL THREAD DIRECTION: RIGHT-HAND
•
SPECIFICATION/STANDARD DATA: 80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
•
WORKING TEMP AND SERVICE TYPE: -20.0 DEG FAHRENHEIT MINIMUM GAS AND 100.0 DEG FAHRENHEIT MAXIMUM GAS AND -20.0 DEG FAHRENHEIT MINIMUM OIL AND 100.0 DEG FAHRENHEIT MAXIMUM OIL AND -20.0 DEG FAHRENHEIT MINIMUM STEAM AND 100.0 DEG FAHRENHEIT MAXIMUM STEAM AND -20.0 DEG FAHRENHEIT MINIMUM WATER AND 100.0 DEG FAHRENHEIT MAXIMUM WATER
•
NONDEFINITIVE SPEC/STD DATA: 1 TYPE AND 2 CLASS AND HEXAGON BUSHING
•
MATERIAL: STEEL
•
INTERNAL SCREW THREAD SERIES DESIGNATOR: NPT
TYPICAL APPLICATIONS
  • Server Internal Cabling
  • Data Center Cable Infrastructure
  • SAS/SATA Drive Connectivity
TECHNICAL CHARACTERISTICS (FLIS)
WORKING PRESSURE AND SERVICE TYPE3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL GAS AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL OIL AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL STEAM AND 3000.0 POUNDS PER SQUARE INCH (PSI) NOMINAL WATER LBS
MATERIAL DOCUMENT AND CLASSIFICATIONASTM A105, GRADE 2, ASTM A182, GRADE F22 ASSN STD SINGLE MATERIAL RESPONSE
INTERNAL THREAD DIRECTIONRIGHT-HAND
SPECIFICATION/STANDARD DATA80204-B16.11 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS14304 GOVERNMENT STANDARD
WORKING TEMP AND SERVICE TYPE-20.0 DEG FAHRENHEIT MINIMUM GAS AND 100.0 DEG FAHRENHEIT MAXIMUM GAS AND -20.0 DEG FAHRENHEIT MINIMUM OIL AND 100.0 DEG FAHRENHEIT MAXIMUM OIL AND -20.0 DEG FAHRENHEIT MINIMUM STEAM AND 100.0 DEG FAHRENHEIT MAXIMUM STEAM AND -20.0 DEG FAHRENHEIT MINIMUM WATER AND 100.0 DEG FAHRENHEIT MAXIMUM WATER
NONDEFINITIVE SPEC/STD DATA1 TYPE AND 2 CLASS AND HEXAGON BUSHING
MATERIALSTEEL
INTERNAL SCREW THREAD SERIES DESIGNATORNPT
EXTERNAL THREAD DIRECTIONRIGHT-HAND
EXTERNAL SCREW THREAD SERIES DESIGNATORNPT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
386SIZE1-2INInterchangeable
interchangeable cross-reference
interchangeable
B16.11Interchangeable
interchangeable cross-reference
interchangeable
MS14304-1C08Interchangeable
interchangeable cross-reference
interchangeable
MS14304Interchangeable
interchangeable cross-reference
interchangeable
2IN-32615-304LInterchangeable
interchangeable cross-reference
interchangeable
MILP18174Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is MIL-P-18174?
MIL-P-18174 is a CABLE ASSEMBLY AND REEL.
What parts can replace MIL-P-18174?
There are 21 known substitutes for MIL-P-18174: 386SIZE1-2IN, B16.11, MS14304-1C08 and 18 more. Substitute compatibility should be verified for your specific system.
Is MIL-P-18174 still available?
MIL-P-18174 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