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123-1801 — RESISTOR,FIXED,WIRE WOUND,INDUCT

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

123-1801: RESISTOR,FIXED,WIRE WOUND,INDUCT.

RESISTOR,FIXED,WIRE WOUND,INDUCT. Key specifications include material: COPPER FIRST MORTISE, conductor_form: STRANDED ALL CONDUCTORS, overall_height: 0.260 INCHES MAXIMUM IN, overall_length: 20.000 FEET FT, termination_type: CONNECTOR PLUG BOTH ENDS ALL CONDUCTORS, round_conductor_size: 20 AWG ALL CONDUCTORS. This part is cataloged in the U.S.

Government catalog under NSN 4730-00-043-3962, 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→ 123-1801
NSN: 4730-00-043-3962
NIINs: 000433962, 008320668, 013944675, 014921008
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 15472 — SOLVENTUM PURIFICATION INC. DIV FILTRATION AND SEPARATION DIVISION (USA)
SPECIFICATIONS
materialCOPPER FIRST MORTISE
conductor_formSTRANDED ALL CONDUCTORS
overall_height0.260 INCHES MAXIMUM IN
overall_length20.000 FEET FT
termination_typeCONNECTOR PLUG BOTH ENDS ALL CONDUCTORS
conductor_quantity3
round_conductor_size20 AWG ALL CONDUCTORS
end_item_identificationMK105 MOD4, TEST SET, CONTROLLER
media_for_which_designedFUEL/OIL, HYDROCARBON
cross-sectional_shape_styleROUND
strand_awg_size_per_conductor32 ALL CONDUCTORS
strand_quantity_per_conductor19 ALL CONDUCTORS
NSN4730-00-043-3962
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 123-1801 · 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
•
MEDIA FOR WHICH DESIGNED: FUEL/OIL, HYDROCARBON
TECHNICAL CHARACTERISTICS
MEDIA FOR WHICH DESIGNEDFUEL/OIL, HYDROCARBON
SUBSTITUTES & CROSS-REFERENCES 2
65C42616-1Reference document
Same NSN cross-reference
Reference document — Secondary reference
12318-15-50-0035Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 123-1801?
123-1801 is a RESISTOR,FIXED,WIRE WOUND,INDUCT. It is classified as a MRO (MRO_GENERAL).
What parts can replace 123-1801?
There are 2 known substitutes for 123-1801: 65C42616-1, 12318-15-50-0035. Substitute compatibility should be verified for your specific system.
What is the NSN for 123-1801?
123-1801 is cataloged in the U.S. Government catalog under NSN 4730-00-043-3962. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.