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Technical Data Sheet
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42F8 ✓ 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY 360 OVERALL, seat_angle: 45.0 DEGREES ALL ENDS, thread_class: 2A ALL ENDS A, connection_type: THREADED EXTERNAL TUBE ALL ENDS, connection_style: FLARED (TUBE) ALL ENDS, style_designator: FLARED W/ CENTER WRENCHING FACILITY. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-254-6229, 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
42F8
NSN: 4730-00-254-6229
FSC: 4730
CAGE: 77237 — DANA OFF HIGHWAY PRODUCTS, LLC (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
seat_angle45.0 DEGREES ALL ENDS
thread_class2A ALL ENDS A
connection_typeTHREADED EXTERNAL TUBE ALL ENDS
connection_styleFLARED (TUBE) ALL ENDS
style_designatorFLARED W/ CENTER WRENCHING FACILITY
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.750 INCHES ALL ENDS IN
maximum_operating_temp250.0 FAHRENHEIT SINGLE RESPONSE DEGF
nominal_overall_length1.790 INCHES IN
thread_series_designatorUNF ALL ENDS
nondefinitive_spec/std_data1B FIGURE
NSN4730-00-254-6229
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 42F8 · 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 DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
LEG LENGTH: 1.380 INCHES NOMINAL SECOND END IN
•
CONNECTION STYLE: PLAIN (PIPE) SECOND END
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
NONDEFINITIVE SPEC/STD DATA: 2A FIGURE A
•
NOMINAL THREAD SIZE: 0.500 INCHES SECOND END IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 21 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
LEG LENGTH1.380 INCHES NOMINAL SECOND END IN
CONNECTION STYLEPLAIN (PIPE) SECOND END
CONNECTION STYLEFLARED (TUBE) FIRST END
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
NONDEFINITIVE SPEC/STD DATA2A FIGURE A
NOMINAL THREAD SIZE0.500 INCHES SECOND END IN
MATERIALCOPPER ALLOY 377 OVERALL
THREAD CLASS2A FIRST END A
VERIFIED SUBSTITUTES & CROSS-REFERENCES 7
SAE-J512Interchangeable
interchangeable cross-reference
interchangeable
8-8 010101BAInterchangeable
interchangeable cross-reference
interchangeable
J512Interchangeable
interchangeable cross-reference
interchangeable
12857FXInterchangeable
Same NIIN cross-reference
interchangeable
8-8 010202BInterchangeable
Same NIIN cross-reference
interchangeable
1024-8-8BInterchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 42F8?
42F8 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace 42F8?
There are 7 known substitutes for 42F8: SAE-J512, 8-8 010101BA, J512 and 4 more. Substitute compatibility should be verified for your specific system.
Is 42F8 still available?
42F8 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