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12440389 ✓ 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

RESISTOR,VARIABLE,WIRE WOUND,PRE. Key specifications include length: 10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT, material: ALUMINUM ALLOY 7075, body_style: CYLINDRICAL SERVO MOUNTED, body_length: 3.320 INCHES MINIMUM IN, shaft_style: ROUND, SLOTTED, pilot_length: 0.0620 INCHES NOMINAL IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-220-0899, 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
12440389
NSN: 4730-01-220-0899
FSC: 4730
CAGE: 19207 — U S ARMY TANK AUTOMOTIVE COMMAND AMSTA-IM-MM (USA)
SPECIFICATIONS
length10.000 FEET MINIMUM AND 12.000 FEET MAXIMUM FT
materialALUMINUM ALLOY 7075
body_styleCYLINDRICAL SERVO MOUNTED
body_length3.320 INCHES MINIMUM IN
shaft_styleROUND, SLOTTED
pilot_length0.0620 INCHES NOMINAL IN
shaft_length0.625 INCHES NOMINAL IN
actuator_typeDOUBLE ENDED SHAFT
body_diameter1.969 INCHES MINIMUM IN
end_item_nameDOLLY SET,LIFT,TRANSPORTABLE SHELTER
overall_width1.750 INCHES NOMINAL IN
heat_treatmentT-6 SOLUTION HEAT TREATED
NSN4730-01-220-0899
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 12440389 · 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 10
T10776Interchangeable
interchangeable cross-reference
interchangeable
AMS-QQ-A-200/11Interchangeable
interchangeable cross-reference
interchangeable
ASTM B221Interchangeable
interchangeable cross-reference
interchangeable
202-5011Interchangeable
interchangeable cross-reference
interchangeable
61-889Interchangeable
interchangeable cross-reference
interchangeable
1225775Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 12440389?
12440389 is a RESISTOR,VARIABLE,WIRE WOUND,PRE.
What parts can replace 12440389?
There are 10 known substitutes for 12440389: T10776, AMS-QQ-A-200/11, ASTM B221 and 7 more. Substitute compatibility should be verified for your specific system.
Is 12440389 still available?
12440389 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