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SAE J512 4-8 010102B — 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 ADAPTER,STRAIGHT,PIPE TO TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, seat_angle: 45.0 DEGREES FIRST END, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE FIRST END, connection_style: PLAIN (PIPE) SECOND END, nominal_thread_size: 0.250 INCHES SECOND END IN. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-893-7268, 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
SAE J512 4-8 010102B
NSN: 4730-00-893-7268
FSC: 4730
CAGE: 81343 — SOCIETY OF AUTOMOTIVE ENGINEERS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
seat_angle45.0 DEGREES FIRST END
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE FIRST END
connection_stylePLAIN (PIPE) SECOND END
nominal_thread_size0.250 INCHES SECOND END IN
nominal_overall_length1.620 INCHES IN
end_item_identification73A TRUCK, TRACTOR, M915/M916 (LET) A
thread_series_designatorUNF FIRST END
nondefinitive_spec/std_data1A FIGURE A
specification/standard_data81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_pipe_size_accommodated0.250 INCHES SECOND END IN
NSN4730-00-893-7268
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SAE J512 4-8 010102B · 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
•
NOMINAL OVERALL LENGTH: 1.620 INCHES IN
•
CONNECTION TYPE: THREADED EXTERNAL PIPE SECOND END
•
THREAD SERIES DESIGNATOR: NPTF SECOND END
•
NOMINAL PIPE SIZE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
SPECIFICATION/STANDARD DATA: 81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
NOMINAL THREAD SIZE: 0.750 INCHES FIRST END IN
•
CONNECTION STYLE: FLARED (TUBE) FIRST END
TECHNICAL CHARACTERISTICS
NOMINAL OVERALL LENGTH1.620 INCHES IN
CONNECTION TYPETHREADED EXTERNAL PIPE SECOND END
THREAD SERIES DESIGNATORNPTF SECOND END
NOMINAL PIPE SIZE ACCOMMODATED0.250 INCHES SECOND END IN
END ITEM IDENTIFICATION73A TRUCK, TRACTOR, M915/M916 (LET) A
SPECIFICATION/STANDARD DATA81343-J512 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
NOMINAL THREAD SIZE0.750 INCHES FIRST END IN
CONNECTION STYLEFLARED (TUBE) FIRST END
NONDEFINITIVE SPEC/STD DATA1A FIGURE A
MATERIALCOPPER ALLOY OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 24
5320000618214InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
10123408InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
MS20613-4P16InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
N210502 000007InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
648F1-2X3-8InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
J512InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE J512 4-8 010102B?
SAE J512 4-8 010102B is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace SAE J512 4-8 010102B?
There are 24 known substitutes for SAE J512 4-8 010102B: 5320000618214, 10123408, MS20613-4P16 and 21 more. Substitute compatibility should be verified for your specific system.
Is SAE J512 4-8 010102B still available?
SAE J512 4-8 010102B 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: October 2026