PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 768FB 3/8 X 1/4
768FB 3/8 X 1/4 ✓ 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 768FB 3/8 X 1/4 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 4730-00-055-9877, 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
768FB 3/8 X 1/4
NSN: 4730-00-055-9877
FSC: 4730
CAGE: 8Y232 — RICHMOND SUPPLY COMPANY DBA RICHMOND SUPPLY CO (USA)
SPECIFICATIONS
Part Number768FB 3/8 X 1/4
NSN4730-00-055-9877
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 768FB 3/8 X 1/4 · 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
•
FURNISHED ITEMS AND QUANTITY: 1 SHORT COUPLING NUT WITH SLEEVE
•
THREAD SERIES DESIGNATOR: UNF FIRST END
•
MEDIA FOR WHICH DESIGNED: FLUID SINGLE RESPONSE
•
MATERIAL: COPPER ALLOY 360 OVERALL
•
NOMINAL THREAD SIZE: 0.250 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 1.203 INCHES IN
•
SEAT ANGLE: 45.0 DEGREES FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
FURNISHED ITEMS AND QUANTITY1 SHORT COUPLING NUT WITH SLEEVE
THREAD SERIES DESIGNATORUNF FIRST END
MEDIA FOR WHICH DESIGNEDFLUID SINGLE RESPONSE
MATERIALCOPPER ALLOY 360 OVERALL
NOMINAL THREAD SIZE0.250 INCHES SECOND END IN
NOMINAL OVERALL LENGTH1.203 INCHES IN
SEAT ANGLE45.0 DEGREES FIRST END
THREAD SERIES DESIGNATORNPT SECOND END
CONNECTION STYLEINVERTED FLARE (TUBE) FIRST END
THREAD CLASS2A FIRST END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 13
768FB1-4X1-8Interchangeable
interchangeable cross-reference
interchangeable
6533-16 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
6533-16-3 ITEM 3Interchangeable
interchangeable cross-reference
interchangeable
9747652Interchangeable
interchangeable cross-reference
interchangeable
533492Interchangeable
interchangeable cross-reference
interchangeable
533492-6Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 768FB 3/8 X 1/4?
768FB 3/8 X 1/4 is a 768FB 3/8 X 1/4.
What parts can replace 768FB 3/8 X 1/4?
There are 13 known substitutes for 768FB 3/8 X 1/4: 768FB1-4X1-8, 6533-16 ITEM 3, 6533-16-3 ITEM 3 and 10 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 768FB 3/8 X 1/4?
768FB 3/8 X 1/4 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-055-9877. 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