PartsTable
Technical Data Sheet
SAE-J512 ✓ 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

SWITCH,RADIO FREQUENCY TRANSMISS. Key specifications include material: COPPER ALLOY 360 OR COPPER ALLOY 345 OR COPPER ALLOY 350 OR COPPER ALLOY 377 TEE, leg_length: 1.06 INCHES NOMINAL THIRD END IN, thread_class: 2A FIRST END A, connection_type: THREADED EXTERNAL TUBE SECOND END, connection_style: PLAIN (PIPE) THIRD END, nominal_thread_size: 0.625 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-011-6488, 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
NSN: 4730-00-011-6488
FSC: 4730
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OR COPPER ALLOY 345 OR COPPER ALLOY 350 OR COPPER ALLOY 377 TEE
leg_length1.06 INCHES NOMINAL THIRD END IN
thread_class2A FIRST END A
connection_typeTHREADED EXTERNAL TUBE SECOND END
connection_stylePLAIN (PIPE) THIRD END
nominal_thread_size0.625 INCHES FIRST END IN
end_item_identificationHIGH-MOBILITY ARTILLERY ROCKET SYSTEM (HIMARS)
thread_quantity_per_inch18 FIRST END
thread_series_designatorUNF SECOND END
nominal_outside_diameter_tube_accommodated0.375 INCHES FIRST END IN
NSN4730-00-011-6488
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SAE-J512 · 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-626,1/2 H FED SPEC ALL MATERIAL RESPONSES OVERALL
NONDEFINITIVE SPEC/STD DATA: 4 FIGURE
NUT STYLE: TUBE COUPLING
THREAD SERIES: UNF
SMALLEST INSIDE DIAMETER: 0.630 INCHES NOMINAL IN
LENGTH TO SHOULDER: 0.250 INCHES NOMINAL IN
NOMINAL TUBE OUTSIDE DIAMETER: 0.625 INCHES IN
WIDTH ACROSS FLATS: 1.062 INCHES NOMINAL IN
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,1/2 H FED SPEC ALL MATERIAL RESPONSES OVERALL
NONDEFINITIVE SPEC/STD DATA4 FIGURE
NUT STYLETUBE COUPLING
THREAD SERIESUNF
SMALLEST INSIDE DIAMETER0.630 INCHES NOMINAL IN
LENGTH TO SHOULDER0.250 INCHES NOMINAL IN
NOMINAL TUBE OUTSIDE DIAMETER0.625 INCHES IN
WIDTH ACROSS FLATS1.062 INCHES NOMINAL IN
THREAD QUANTITY PER INCH14
SEAT ANGLE45.00 DEGREES NOMINAL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
31TA56Interchangeable
interchangeable cross-reference
interchangeable
41X10Interchangeable
interchangeable cross-reference
interchangeable
15412Interchangeable
interchangeable cross-reference
interchangeable
3110PL1590417Interchangeable
interchangeable cross-reference
interchangeable
1327847Interchangeable
interchangeable cross-reference
interchangeable
DA-0007-97PInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE-J512?
SAE-J512 is a SWITCH,RADIO FREQUENCY TRANSMISS.
What parts can replace SAE-J512?
There are 16 known substitutes for SAE-J512: 31TA56, 41X10, 15412 and 13 more. Substitute compatibility should be verified for your specific system.
Is SAE-J512 still available?
SAE-J512 is currently cancelled.
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