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633-D 3/4IN(SS) — Technical Data Sheet

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— · 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: STEEL CORROSION RESISTING OVERALL, connection_type: THREADED INTERNAL PIPE FIRST QUICK DISCONNECT END, part_name_assigned_by_controlling_agency: COUPLER - FEMALE NPT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-560-4808, 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-D 3/4IN(SS)
NSN: 4730-01-560-4808
FSC: 4730
CAGE: 1D9T5 — DOVER FLUID MANAGEMENT, INC. DIV DOVER RESOURCES INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
connection_typeTHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
part_name_assigned_by_controlling_agencyCOUPLER - FEMALE NPT
NSN4730-01-560-4808
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633-D 3/4IN(SS) · 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
•
CONNECTION TYPE: THREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
•
MATERIAL: STEEL CORROSION RESISTING OVERALL
TECHNICAL CHARACTERISTICS (FLIS)
PART NAME ASSIGNED BY CONTROLLING AGENCYCOUPLER - FEMALE NPT
CONNECTION TYPETHREADED INTERNAL PIPE FIRST QUICK DISCONNECT END
MATERIALSTEEL CORROSION RESISTING OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
633D-4BRInterchangeable
interchangeable cross-reference
interchangeable
633-D-4IN-BRInterchangeable
interchangeable cross-reference
interchangeable
AA59326/5-2-B-1Interchangeable
interchangeable cross-reference
interchangeable
633DInterchangeable
interchangeable cross-reference
interchangeable
633D-.75BRInterchangeable
interchangeable cross-reference
interchangeable
633-D-1/2IN-BRInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633-D 3/4IN(SS)?
633-D 3/4IN(SS) is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace 633-D 3/4IN(SS)?
There are 8 known substitutes for 633-D 3/4IN(SS): 633D-4BR, 633-D-4IN-BR, AA59326/5-2-B-1 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633-D 3/4IN(SS)?
633-D 3/4IN(SS) is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-560-4808. 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: September 2026