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Technical Data Sheet
PartsTable / COMPONENT / 633B-.75AL
633B-.75AL ✓ 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 633B-.75AL is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-214-3621, 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
633B-.75AL
NSN: 4730-01-214-3621
FSC: 4730
CAGE: 9H113 — DOVER RESOURCES INC DBA OPW ENGINEERED SYSTEMS (USA)
SPECIFICATIONS
Part Number633B-.75AL
NSN4730-01-214-3621
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 633B-.75AL · 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: INTERNAL QUICK DISCONNECT ALL ENDS
•
FURNISHED ITEMS: GASKET
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
•
QUICK DISCONNECT METHOD: CAM-LOCKING ALL ENDS
•
CONNECTION STYLE: PLAIN ALL ENDS
•
QUICK DISCONNECT NOMINAL SIZE: 0.750 INCHES ALL ENDS IN
•
THREAD SERIES DESIGNATOR: NPT ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPEINTERNAL QUICK DISCONNECT ALL ENDS
FURNISHED ITEMSGASKET
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625,TY2,CL1 MIL SPEC SINGLE TREATMENT RESPONSE BODY
QUICK DISCONNECT METHODCAM-LOCKING ALL ENDS
CONNECTION STYLEPLAIN ALL ENDS
QUICK DISCONNECT NOMINAL SIZE0.750 INCHES ALL ENDS IN
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST FLUID END CONNECTION
THREAD SERIES DESIGNATORNPT ALL ENDS
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-601,T6 FED SPEC 1ST MATERIAL RESPONSE OR QQ-A-601,T5 FED SPEC 2ND MATERIAL RESPONSE BODY
STYLE DESIGNATORMALE COUPLING HALF
VERIFIED SUBSTITUTES & CROSS-REFERENCES 32
MS27030Interchangeable
interchangeable cross-reference
interchangeable
MS27030-7Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326Interchangeable
interchangeable cross-reference
interchangeable
A-A-59326/7Interchangeable
interchangeable cross-reference
interchangeable
100-B-BRInterchangeable
interchangeable cross-reference
interchangeable
100-B-Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 633B-.75AL?
633B-.75AL is a 633B-.75AL.
What parts can replace 633B-.75AL?
There are 32 known substitutes for 633B-.75AL: MS27030, MS27030-7, A-A-59326 and 29 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 633B-.75AL?
633B-.75AL is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-214-3621. 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