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Technical Data Sheet
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144722 — Technical Data Sheet

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— · 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,FIXED,WIRE WOUND,INDUCT. Key specifications include end_item_identification: ACFT ENG R1830. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-591-3405, 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
144722
NSN: 4730-00-591-3405
FSC: 4730
CAGE: 29510 — KOMATSU AMERICAN INTL CO (USA)
SPECIFICATIONS
end_item_identificationACFT ENG R1830
general_characteristics_item_descriptionMATL STEEL PER AMS 6260; 0.270 IN. MIN AND 0.275 IN. MAX LONG; 2.41 IN. MIN AND 2.43 IN. MAX OD; BORE 1.29 IN. MIN AND 1.30 IN. MAX DIA; HARDNESS PER ROCKWELL C30 MIN AND C40 MAX IN
NSN4730-00-591-3405
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 144722 · 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
•
NOMINAL THREAD SIZE: 0.125 INCHES IN
•
SCREW THREAD SERIES DESIGNATOR: PTF-SPL SHORT
•
WIDTH ACROSS FLATS: 0.438 INCHES NOMINAL IN
•
THREAD QUANTITY PER INCH: 27
•
HEIGHT: 0.766 INCHES NOMINAL IN
•
MATERIAL: STEEL OVERALL
•
STYLE DESIGNATOR: STRAIGHT, W/CAP
TECHNICAL CHARACTERISTICS (FLIS)
NOMINAL THREAD SIZE0.125 INCHES IN
SCREW THREAD SERIES DESIGNATORPTF-SPL SHORT
WIDTH ACROSS FLATS0.438 INCHES NOMINAL IN
THREAD QUANTITY PER INCH27
HEIGHT0.766 INCHES NOMINAL IN
SPECIAL FEATURESASSEMBLY CLEARANCE RADIUS 0.281 IN. NOM IN
MATERIALSTEEL OVERALL
STYLE DESIGNATORSTRAIGHT, W/CAP
SHANK LENGTH0.281 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
RU3BR82JInterchangeable
interchangeable cross-reference
interchangeable
RW69VR82Interchangeable
interchangeable cross-reference
interchangeable
27-1520Interchangeable
interchangeable cross-reference
interchangeable
301370Interchangeable
interchangeable cross-reference
interchangeable
4740Interchangeable
interchangeable cross-reference
interchangeable
1960923-1Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 144722?
144722 is a RESISTOR,FIXED,WIRE WOUND,INDUCT.
What parts can replace 144722?
There are 20 known substitutes for 144722: RU3BR82J, RW69VR82, 27-1520 and 17 more. Substitute compatibility should be verified for your specific system.
Is 144722 still available?
144722 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: September 2026