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Technical Data Sheet
PartsTable / MRO / 73250
73250 ✓ Verified by PartsTable
Lindy · MRO · MRO_GENERAL
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 Lindy industrial component. Key specifications include hole_diameter: 0.281 INCHES NOMINAL IN, overall_width: 3.120 INCHES NOMINAL IN, inclosure_type: ENCAPSULATED, overall_height: 4.620 INCHES NOMINAL IN, overall_length: 4.940 INCHES NOMINAL IN, ac_voltage_rating: 6.0 VOLTS MINIMUM AND 36.0 VOLTS MAXIMUM. 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
MRO→ MRO_GENERAL→ 73250
NSN: 4730-00-412-3801
FSC: 4730
CAGE: 66042 — THOMAS C. WILSON, INC. DBA THOMAS C WILSON (USA)
SPECIFICATIONS
hole_diameter0.281 INCHES NOMINAL IN
overall_width3.120 INCHES NOMINAL IN
inclosure_typeENCAPSULATED
overall_height4.620 INCHES NOMINAL IN
overall_length4.940 INCHES NOMINAL IN
ac_voltage_rating6.0 VOLTS MINIMUM AND 36.0 VOLTS MAXIMUM
supplementary_featuresTEN 50 MILLILITER TUBES
environmental_protectionCORROSION RESISTANT AND WEATHER RESISTANT
loudness_level_in_decibels107 DECIBELS
mounting_hole/stud_quantity4
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
part_name_assigned_by_controlling_agencyWASHER, THRUST
NSN4730-00-412-3801
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 73250 · Lindy ⚠ 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
•
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 6
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
Y3250Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 73250?
73250 is a RESISTOR,FIXED,WIRE WOUND manufactured by Lindy. It is classified as a MRO (MRO_GENERAL).
What parts can replace 73250?
There are 6 known substitutes for 73250: 7-32-50, 350830, 05894813 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 73250?
73250 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