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Technical Data Sheet
PartsTable / COMPONENT / 120-173-06
120-173-06 ✓ 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: 0.172 INCHES NOMINAL IN, overall_length: 0.500 INCHES NOMINAL IN, special_features: BORE SIZE 0.380 INCHES IN, 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 4730-01-510-2946, 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
120-173-06
NSN: 4730-01-510-2946
FSC: 4730
CAGE: 06581 — ALLAN AIRCRAFT SUPPLY CO., LLC DBA ALLAN AIRCRAFT SUPPLY (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
flange_width0.172 INCHES NOMINAL IN
overall_length0.500 INCHES NOMINAL IN
special_featuresBORE SIZE 0.380 INCHES IN
style_designatorSLEEVE
seat_angle_in_deg33.0
casehardening_indicatorNOT CASEHARDENED
end_item_identificationMV-22 AIRCRAFT
flange_outside_diameter0.502 INCHES NOMINAL IN
sleeve_outside_diameter0.432 INCHES NOMINAL IN
specification/standard_data81343-AS3220-W06 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
criticality_code_justificationAGAV
NSN4730-01-510-2946
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 120-173-06 · 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
•
FLANGE OUTSIDE DIAMETER: 0.502 INCHES NOMINAL IN
•
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED: 0.375 INCHES NOMINAL IN
•
SPECIFICATION/STANDARD DATA: 81343-AS3220-W06 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL: ALUMINUM ALLOY 7075
•
FLANGE WIDTH: 0.172 INCHES NOMINAL IN
•
SLEEVE OUTSIDE DIAMETER: 0.432 INCHES NOMINAL IN
•
SEAT ANGLE IN DEG: 33.0
•
CASEHARDENING INDICATOR: NOT CASEHARDENED
TECHNICAL CHARACTERISTICS (FLIS)
FLANGE OUTSIDE DIAMETER0.502 INCHES NOMINAL IN
HOSE/TUBE OUTSIDE DIAMETER FOR WHICH DESIGNED0.375 INCHES NOMINAL IN
SPECIFICATION/STANDARD DATA81343-AS3220-W06 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIALALUMINUM ALLOY 7075
FLANGE WIDTH0.172 INCHES NOMINAL IN
SLEEVE OUTSIDE DIAMETER0.432 INCHES NOMINAL IN
SEAT ANGLE IN DEG33.0
CASEHARDENING INDICATORNOT CASEHARDENED
OVERALL LENGTH0.500 INCHES NOMINAL IN
END ITEM IDENTIFICATIONMV-22 AIRCRAFT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
120173Interchangeable
interchangeable cross-reference
interchangeable
SCC19019Interchangeable
interchangeable cross-reference
interchangeable
SAE-AS4841Interchangeable
interchangeable cross-reference
interchangeable
4730PL0743972Interchangeable
interchangeable cross-reference
interchangeable
AS3220D03Interchangeable
interchangeable cross-reference
interchangeable
SAE AS3220Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 120-173-06?
120-173-06 is a SLEEVE,FLARED,TUBE FITTING.
What parts can replace 120-173-06?
There are 8 known substitutes for 120-173-06: 120173, SCC19019, SAE-AS4841 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 120-173-06?
120-173-06 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-510-2946. This indicates validated use in U.S. government and defense supply chains.
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Last verified: July 2026