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SAE-AS3220 ✓ 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 SLEEVE,FLARED,TUBE FITTING is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 7075, flange_width: 0.156 INCHES NOMINAL IN, overall_length: 0.438 INCHES NOMINAL IN, special_features: COATED WITH HIGH PURITY ALUMINUM, style_designator: SLEEVE, seat_angle_in_deg: 33.0. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-334-2327, 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
SAE-AS3220
NSN: 4730-01-334-2327
FSC: 4730
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
flange_width0.156 INCHES NOMINAL IN
overall_length0.438 INCHES NOMINAL IN
special_featuresCOATED WITH HIGH PURITY ALUMINUM
style_designatorSLEEVE
seat_angle_in_deg33.0
surface_treatmentANODIZE
casehardening_indicatorNOT CASEHARDENED
end_item_identificationSPECIAL, AIR VEHICLE, AIRCRAFT
flange_outside_diameter0.488 INCHES NOMINAL IN
sleeve_outside_diameter0.366 INCHES NOMINAL IN
specification/standard_data0U583 AS3220 NATIONAL STD/SPEC
NSN4730-01-334-2327
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: SAE-AS3220 · 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
•
STYLE DESIGNATOR: SLEEVE
•
SEAT ANGLE IN DEG: 33.0
•
FLANGE OUTSIDE DIAMETER: 0.329 INCHES NOMINAL IN
•
MATERIAL: ALUMINUM ALLOY 2014
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.188 INCHES NOMINAL IN
•
FLANGE WIDTH: 0.157 INCHES NOMINAL IN
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
STYLE DESIGNATORSLEEVE
SEAT ANGLE IN DEG33.0
FLANGE OUTSIDE DIAMETER0.329 INCHES NOMINAL IN
MATERIALALUMINUM ALLOY 2014
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.188 INCHES NOMINAL IN
FLANGE WIDTH0.157 INCHES NOMINAL IN
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH0.422 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.234 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 23
MILF5509AInterchangeable
interchangeable cross-reference
interchangeable
SAE-AS4841Interchangeable
interchangeable cross-reference
interchangeable
MS20819-40DInterchangeable
interchangeable cross-reference
interchangeable
ST7M411-12WInterchangeable
interchangeable cross-reference
interchangeable
ST7M411Interchangeable
interchangeable cross-reference
interchangeable
AN819-12ZInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is SAE-AS3220?
SAE-AS3220 is a SLEEVE,FLARED,TUBE FITTING.
What parts can replace SAE-AS3220?
There are 23 known substitutes for SAE-AS3220: MILF5509A, SAE-AS4841, MS20819-40D and 20 more. Substitute compatibility should be verified for your specific system.
What is the NSN for SAE-AS3220?
SAE-AS3220 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-334-2327. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026