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A4780 ✓ 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 numeral_readout: 000 MINIMUM AND 999 MAXIMUM SINGLE REGISTER SINGLE TIER, style_designator: ELECTRICAL CASED, register_function: SUBTRACT SINGLE REGISTER SINGLE TIER, register_reset_method: TOTAL COUNTER MANUAL SINGLE REGISTER SINGLE TIER, numeral_display_method: DRUM, end_item_identification: NORTH AMERICAN PHILIPS CONTROLS CORP,FUEL METERING PUMP. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-266-0542, 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
A4780
NSN: 4730-00-266-0542
FSC: 4730
CAGE: 41947 — MUELLER BRASS CO. (USA)
SPECIFICATIONS
numeral_readout000 MINIMUM AND 999 MAXIMUM SINGLE REGISTER SINGLE TIER
style_designatorELECTRICAL CASED
register_functionSUBTRACT SINGLE REGISTER SINGLE TIER
register_quantity1
register_reset_methodTOTAL COUNTER MANUAL SINGLE REGISTER SINGLE TIER
numeral_display_methodDRUM
end_item_identificationNORTH AMERICAN PHILIPS CONTROLS CORP,FUEL METERING PUMP
figure_quantity_per_register3 SINGLE REGISTER SINGLE TIER
voltage_in_volts_and_current_type28.0 DC
NSN4730-00-266-0542
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: A4780 · 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 20
4874Interchangeable
interchangeable cross-reference
interchangeable
G012-1034-01Interchangeable
interchangeable cross-reference
interchangeable
90J51KInterchangeable
interchangeable cross-reference
interchangeable
10-90846-146Interchangeable
interchangeable cross-reference
interchangeable
B8A9350EInterchangeable
interchangeable cross-reference
interchangeable
4870AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is A4780?
A4780 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace A4780?
There are 20 known substitutes for A4780: 4874, G012-1034-01, 90J51K and 17 more. Substitute compatibility should be verified for your specific system.
Is A4780 still available?
A4780 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