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Technical Data Sheet
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Y3250 ✓ 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 RESISTOR,FIXED,WIRE WOUND is a the manufacturer industrial component. This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-412-3801, 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
Y3250
NSN: 4730-00-412-3801
FSC: 4730
CAGE: 66042 — THOMAS C. WILSON, INC. DBA THOMAS C WILSON (USA)
SPECIFICATIONS
general_characteristics_item_description5.531 IN. LG;STEPPED 0.625 IN. DIA;2.469 IN. LG;0.516 IN. DIA;1.875 IN. LG;0.469 IN. DIA;1.188 IN. LG;INTERNALLY DRILLED 5.320 IN. DEEP;90-10-COPPER-NICKEL ALLOY IN
NSN4730-00-412-3801
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: Y3250 · 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
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GENERAL CHARACTERISTICS ITEM DESCRIPTION: 5.531 IN. LG;STEPPED 0.625 IN. DIA;2.469 IN. LG;0.516 IN. DIA;1.875 IN. LG;0.469 IN. DIA;1.188 IN. LG;INTERNALLY DRILLED 5.320 IN. DEEP;90-10-COPPER-NICKEL ALLOY IN
TECHNICAL CHARACTERISTICS (FLIS)
GENERAL CHARACTERISTICS ITEM DESCRIPTION5.531 IN. LG;STEPPED 0.625 IN. DIA;2.469 IN. LG;0.516 IN. DIA;1.875 IN. LG;0.469 IN. DIA;1.188 IN. LG;INTERNALLY DRILLED 5.320 IN. DEEP;90-10-COPPER-NICKEL ALLOY IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
7-32-50Interchangeable
interchangeable cross-reference
interchangeable
350830Interchangeable
interchangeable cross-reference
interchangeable
05894813Interchangeable
interchangeable cross-reference
interchangeable
73050Interchangeable
interchangeable cross-reference
interchangeable
707Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is Y3250?
Y3250 is a RESISTOR,FIXED,WIRE WOUND.
What parts can replace Y3250?
There are 5 known substitutes for Y3250: 7-32-50, 350830, 05894813 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for Y3250?
Y3250 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-412-3801. 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