PartsTable
Technical Data Sheet
633-F 4IN ✓ 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, leg_length: 1.375 INCHES NOMINAL IN, overall_length: 4.781 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL PIPE FIRST FLUID END CONNECTION, connection_style: PLAIN ALL ENDS, style_designator: MALE COUPLING HALF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-840-0797, 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-F 4IN
NSN: 4730-00-840-0797
FSC: 4730
CAGE: 9H113 — DOVER RESOURCES INC DBA OPW ENGINEERED SYSTEMS (USA)
SPECIFICATIONS
materialALUMINUM BODY
leg_length1.375 INCHES NOMINAL IN
overall_length4.781 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
connection_stylePLAIN ALL ENDS
style_designatorMALE COUPLING HALF
nominal_thread_size4.000 INCHES ALL ENDS IN
quick_disconnect_methodCAM-LOCKING ALL ENDS
thread_series_designatorNPT ALL ENDS
quick_disconnect_nominal_size4.141 INCHES ALL ENDS IN
NSN4730-00-840-0797
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633-F 4IN · 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: ALUMINUM BODY
QUICK DISCONNECT NOMINAL SIZE: 4.141 INCHES ALL ENDS IN
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
THREAD SERIES DESIGNATOR: NPT ALL ENDS
CONNECTION TYPE: EXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION STYLE: PLAIN ALL ENDS
NOMINAL THREAD SIZE: 4.000 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIALALUMINUM BODY
QUICK DISCONNECT NOMINAL SIZE4.141 INCHES ALL ENDS IN
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
THREAD SERIES DESIGNATORNPT ALL ENDS
CONNECTION TYPEEXTERNAL QUICK DISCONNECT ALL ENDS
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
CONNECTION STYLEPLAIN ALL ENDS
NOMINAL THREAD SIZE4.000 INCHES ALL ENDS IN
LEG LENGTH1.375 INCHES NOMINAL IN
STYLE DESIGNATORMALE COUPLING HALF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
633F-212Interchangeable
interchangeable cross-reference
interchangeable
633F-2.5-BRInterchangeable
interchangeable cross-reference
interchangeable
633-F-2IN-BRInterchangeable
interchangeable cross-reference
interchangeable
5591K14Interchangeable
interchangeable cross-reference
interchangeable
5864Interchangeable
interchangeable cross-reference
interchangeable
MS27022-9Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633-F 4IN?
633-F 4IN is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 633-F 4IN?
There are 14 known substitutes for 633-F 4IN: 633F-212, 633F-2.5-BR, 633-F-2IN-BR and 11 more. Substitute compatibility should be verified for your specific system.
Is 633-F 4IN still available?
633-F 4IN is currently cancelled.
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