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Technical Data Sheet
PartsTable / COMPONENT / 4-8 010102B(U1)
4-8 010102B(U1) ✓ 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 4-8 010102B(U1) is a the manufacturer industrial component. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-845-6078, 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
4-8 010102B(U1)
NSN: 4730-00-845-6078
FSC: 4730
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
Part Number4-8 010102B(U1)
NSN4730-00-845-6078
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4-8 010102B(U1) · 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
•
SEAT ANGLE: 45.0 DEGREES FIRST END
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
•
NOMINAL OVERALL LENGTH: 1.540 INCHES IN
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
•
MATERIAL: COPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL
•
OPERATING PRESSURE: 1400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
•
CONNECTION TYPE: THREADED EXTERNAL TUBE FIRST END
TECHNICAL CHARACTERISTICS (FLIS)
SEAT ANGLE45.0 DEGREES FIRST END
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL OVERALL LENGTH1.540 INCHES IN
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626 FED SPEC ALL MATERIAL RESPONSES OVERALL
MATERIALCOPPER ALLOY 377 OR COPPER ALLOY 360 OVERALL
OPERATING PRESSURE1400.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST END
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
NOMINAL OUTSIDE DIAMETER TUBE ACCOMMODATED0.250 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 28
48FInterchangeable
interchangeable cross-reference
interchangeable
0204-8-8BInterchangeable
interchangeable cross-reference
interchangeable
46X8X8Interchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
U1-4CInterchangeable
interchangeable cross-reference
interchangeable
648-F-04X06Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 4-8 010102B(U1)?
4-8 010102B(U1) is a 4-8 010102B(U1).
What parts can replace 4-8 010102B(U1)?
There are 28 known substitutes for 4-8 010102B(U1): 48F, 0204-8-8B, 46X8X8 and 25 more. Substitute compatibility should be verified for your specific system.
Is 4-8 010102B(U1) still available?
4-8 010102B(U1) is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026