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A12440 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL CORROSION RESISTING OVERALL, blade_lock: INCLUDED, body_style: STRAIGHT SHAPE, EXTERNAL COUPLING, seat_angle: 45.0 DEGREES FIRST END, shell_type: SOLID, blade_shape: STRAIGHT. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-817-6578, 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
A12440
NSN: 4730-00-817-6578
FSC: 4730
CAGE: 46522 — DCM MANUFACTURING, INC. (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
blade_lockINCLUDED
body_styleSTRAIGHT SHAPE, EXTERNAL COUPLING
seat_angle45.0 DEGREES FIRST END
shell_typeSOLID
blade_shapeSTRAIGHT
blade_length12.000 INCHES NOMINAL IN
reducer_typeCONCENTRIC
thread_class2B
terminal_typeCRIMP SINGLE MATING END SINGLE CONTACT GROUPING
thread_seriesUNIFIED NATIONAL COARSE (UNC)
blade_quantity12
NSN4730-00-817-6578
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A12440 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 27
426-4698Interchangeable
interchangeable cross-reference
interchangeable
110BInterchangeable
interchangeable cross-reference
interchangeable
37000-610Interchangeable
interchangeable cross-reference
interchangeable
120322Interchangeable
interchangeable cross-reference
interchangeable
110AInterchangeable
interchangeable cross-reference
interchangeable
177003-92Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A12440?
A12440 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace A12440?
There are 27 known substitutes for A12440: 426-4698, 110B, 37000-610 and 24 more. Substitute compatibility should be verified for your specific system.
Is A12440 still available?
A12440 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