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Technical Data Sheet
PartsTable / COMPONENT / AC2569
AC2569 ✓ 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

SLEEVE,COMPRESSION,TUBE-HOSE FIT. Key specifications include material: STEEL OVERALL, nut_style: HEXAGON, thread_direction: LEFT-HAND, nominal_thread_size: 0.625 INCHES IN, end_item_identification: 2541015610937, part_name_assigned_by_controlling_agency: NUT, JAM, 5/8"-18 LFT THREAD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-069-1186, 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
AC2569
NSN: 4730-00-069-1186
FSC: 4730
CAGE: 16662 — LIFT PARTS MFG CO INC DIV OF ECHLIN MFG CO THE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleHEXAGON
thread_classA
thread_directionLEFT-HAND
nominal_thread_size0.625 INCHES IN
end_item_identification2541015610937
part_name_assigned_by_controlling_agencyNUT, JAM, 5/8"-18 LFT THREAD
NSN4730-00-069-1186
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AC2569 · 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 23
100164Interchangeable
interchangeable cross-reference
interchangeable
85484Interchangeable
interchangeable cross-reference
interchangeable
504264Interchangeable
interchangeable cross-reference
interchangeable
43-201-2Interchangeable
interchangeable cross-reference
interchangeable
1000-0016-4Interchangeable
interchangeable cross-reference
interchangeable
4401-029-G005Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC2569?
AC2569 is a SLEEVE,COMPRESSION,TUBE-HOSE FIT.
What parts can replace AC2569?
There are 23 known substitutes for AC2569: 100164, 85484, 504264 and 20 more. Substitute compatibility should be verified for your specific system.
Is AC2569 still available?
AC2569 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