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Technical Data Sheet
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AC2090 ✓ 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

The COUPLING HALF,QUICK DISCONNECT is a the manufacturer industrial component. Key specifications include material: RUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE, sterility: STERILE, body_shape: OVAL, body_style: CYLINDRICAL SERVO MOUNTED, cone_width: 1.8375 INCHES NOMINAL IN, body_length: 1.040 INCHES MAXIMUM IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-595-0083, 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
AC2090
NSN: 4730-00-595-0083
FSC: 4730
CAGE: 63477 — FEDERAL MOGUL CORP SUB WAGNER BRAKE MOOG AUTOMOTIVE DIV (USA)
SPECIFICATIONS
materialRUBBER BUTADIENE-ACRYLONITRILE CLASS NBR FLOW CONTROL DEVICE
sterilitySTERILE
body_shapeOVAL
body_styleCYLINDRICAL SERVO MOUNTED
cone_width1.8375 INCHES NOMINAL IN
body_length1.040 INCHES MAXIMUM IN
design_typeDRY
shaft_styleROUND, SLOTTED
bearing_typeBALL SHAFT
coolant_typeAIR
groove_width0.093 INCHES NOMINAL IN
pilot_length0.0620 INCHES NOMINAL IN
NSN4730-00-595-0083
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AC2090 · 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 31
399163-184Interchangeable
interchangeable cross-reference
interchangeable
100548-01Interchangeable
interchangeable cross-reference
interchangeable
355-042-002Interchangeable
interchangeable cross-reference
interchangeable
749Interchangeable
interchangeable cross-reference
interchangeable
590-012Interchangeable
interchangeable cross-reference
interchangeable
10450Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AC2090?
AC2090 is a COUPLING HALF,QUICK DISCONNECT.
What parts can replace AC2090?
There are 31 known substitutes for AC2090: 399163-184, 100548-01, 355-042-002 and 28 more. Substitute compatibility should be verified for your specific system.
Is AC2090 still available?
AC2090 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