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Technical Data Sheet
PartsTable / COMPONENT / 215441
215441 ✓ 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 TRANSFORMER ASSEMBLY is a the manufacturer industrial component. Key specifications include overall_width: 2.219 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 1.500 INCHES NOMINAL IN, overall_length: 4.000 INCHES NOMINAL IN, mounting_method: THREADED HOLE(S) SINGLE GROUP, nominal_thread_size: 0.138 INCHES SINGLE GROUP IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-031-7451, 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
215441
NSN: 4730-00-031-7451
FSC: 4730
CAGE: 07KQ5 — DEFENSE & DEVELOPMENT ENTERPRISES LLC (USA)
SPECIFICATIONS
overall_width2.219 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height1.500 INCHES NOMINAL IN
overall_length4.000 INCHES NOMINAL IN
mounting_methodTHREADED HOLE(S) SINGLE GROUP
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
end_item_identificationROUGH TERRAIN CRANE HYDRAULIC WINCH
thread_series_designatorUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
mounting_facility_quantity2 SINGLE GROUP
part_name_assigned_by_controlling_agencyOIL SEAL
distance_between_mounting_facility_centers1.562 INCHES NOMINAL ALL MOUNTING FACILITIES SINGLE CENTER GROUP IN
NSN4730-00-031-7451
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 215441 · 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 6
4851Interchangeable
interchangeable cross-reference
interchangeable
E424Y1Interchangeable
interchangeable cross-reference
interchangeable
215441Interchangeable
interchangeable cross-reference
interchangeable
215433Interchangeable
interchangeable cross-reference
interchangeable
224252Interchangeable
interchangeable cross-reference
interchangeable
KC4322Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 215441?
215441 is a TRANSFORMER ASSEMBLY.
What parts can replace 215441?
There are 6 known substitutes for 215441: 4851, E424Y1, 215441 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 215441?
215441 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-031-7451. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026