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Technical Data Sheet
PartsTable / COMPONENT / 633-B-0190
633-B-0190 ✓ 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 COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: ALUMINUM BODY, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF, nominal_thread_size: 6.000 INCHES ALL ENDS IN, quick_disconnect_method: CAM-LOCKING ALL ENDS, thread_series_designator: NPT ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-3426, 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
633-B-0190
NSN: 4730-00-051-3426
FSC: 4730
CAGE: 0U9Z1 — PRIDE CAST METALS, INC. (USA)
SPECIFICATIONS
materialALUMINUM BODY
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size6.000 INCHES ALL ENDS IN
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
nondefinitive_spec/std_data7 TYPE AND 1 CLASS AND 6 SIZE
specification/standard_data81349-MIL-C-27487 GOVERNMENT SPECIFICATION
NSN4730-00-051-3426
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633-B-0190 · 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
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
NOMINAL THREAD SIZE: 6.000 INCHES ALL ENDS IN
•
MATERIAL: ALUMINUM BODY
•
NONDEFINITIVE SPEC/STD DATA: 7 TYPE AND 1 CLASS AND 6 SIZE
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
•
SPECIFICATION/STANDARD DATA: 81349-MIL-C-27487 GOVERNMENT SPECIFICATION
•
CONNECTION STYLE: PLAIN ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
NOMINAL THREAD SIZE6.000 INCHES ALL ENDS IN
MATERIALALUMINUM BODY
NONDEFINITIVE SPEC/STD DATA7 TYPE AND 1 CLASS AND 6 SIZE
THREAD SERIES DESIGNATORNPT ALL ENDS
SPECIFICATION/STANDARD DATA81349-MIL-C-27487 GOVERNMENT SPECIFICATION
CONNECTION STYLEPLAIN ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
WSCG0005Interchangeable
interchangeable cross-reference
interchangeable
633-B-2IN-ALInterchangeable
interchangeable cross-reference
interchangeable
633B-2ALInterchangeable
interchangeable cross-reference
interchangeable
15B ALUMINUMInterchangeable
interchangeable cross-reference
interchangeable
MS27026-9Interchangeable
interchangeable cross-reference
interchangeable
4730002031010Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633-B-0190?
633-B-0190 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 633-B-0190?
There are 14 known substitutes for 633-B-0190: WSCG0005, 633-B-2IN-AL, 633B-2AL and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633-B-0190?
633-B-0190 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-051-3426. 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