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H66296 ✓ 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 CONNECTOR,PLUG,ELECTRICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, body_width: 1.500 INCHES NOMINAL IN, nut_height: 0.781 INCHES NOMINAL IN, body_height: 3.625 INCHES NOMINAL IN, body_length: 1.312 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-030-1546, 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
H66296
NSN: 4730-00-030-1546
FSC: 4730
CAGE: 15434 — CUMMINS INC. (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
body_width1.500 INCHES NOMINAL IN
nut_height0.781 INCHES NOMINAL IN
body_height3.625 INCHES NOMINAL IN
body_length1.312 INCHES NOMINAL IN
temp_rating-40.0 FAHRENHEIT AND 200.0 FAHRENHEIT SINGLE RESPONSE DEGF
thread_class2B
thread_seriesNGO
inclosure_typeFULLY INCLOSED
overall_length1.219 INCHES NOMINAL IN
connection_typeTHREADED INTERNAL PIPE FIRST END
NSN4730-00-030-1546
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: H66296 · 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 17
491697Interchangeable
interchangeable cross-reference
interchangeable
7312360Interchangeable
interchangeable cross-reference
interchangeable
9756Interchangeable
interchangeable cross-reference
interchangeable
1000A29ALT2Interchangeable
interchangeable cross-reference
interchangeable
909756Interchangeable
interchangeable cross-reference
interchangeable
3-910 N304-75Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is H66296?
H66296 is a CONNECTOR,PLUG,ELECTRICAL.
What parts can replace H66296?
There are 17 known substitutes for H66296: 491697, 7312360, 9756 and 14 more. Substitute compatibility should be verified for your specific system.
Is H66296 still available?
H66296 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