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Technical Data Sheet
PartsTable / COMPONENT / AN6220-16
AN6220-16 ✓ 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,SELF-SEALING is a the manufacturer industrial component. Key specifications include material: STEEL BODY, seat_angle: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED, thread_class: 3A ALL ENDS3A ALL ENDS A, overall_length: 2.835 INCHES NOMINAL2.835 INCHES NOMINAL IN, connection_type: THREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION, connection_style: FLARED ALL ENDSFLARED ALL ENDS. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-433-2553, 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
AN6220-16
NSN: 4730-00-433-2553
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL BODY
seat_angle37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
thread_class3A ALL ENDS3A ALL ENDS A
overall_length2.835 INCHES NOMINAL2.835 INCHES NOMINAL IN
connection_typeTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
connection_styleFLARED ALL ENDSFLARED ALL ENDS
style_designatorMALE COUPLING HALF
features_providedSELF-SEALINGSELF-SEALING
surface_treatmentCADMIUM BODY
operating_pressure1500.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size1.312 INCHES ALL ENDS1.312 INCHES ALL ENDS IN
thread_quantity_per_inch12 ALL ENDS12 ALL ENDS
NSN4730-00-433-2553
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN6220-16 · 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
•
CONNECTION STYLE: FLARED ALL ENDSFLARED ALL ENDS
•
STYLE DESIGNATOR: MALE COUPLING HALF
•
SEAT ANGLE: 37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
•
FEATURES PROVIDED: SELF-SEALINGSELF-SEALING
•
SURFACE TREATMENT: CADMIUM BODY
•
THREAD CLASS: 3A ALL ENDS3A ALL ENDS A
•
THREAD QUANTITY PER INCH: 12 ALL ENDS12 ALL ENDS
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEFLARED ALL ENDSFLARED ALL ENDS
STYLE DESIGNATORMALE COUPLING HALF
SEAT ANGLE37.0 DEGREES LOCATION NOT OTHERWISE SPECIFIED
FEATURES PROVIDEDSELF-SEALINGSELF-SEALING
SURFACE TREATMENTCADMIUM BODY
THREAD CLASS3A ALL ENDS3A ALL ENDS A
OVERALL LENGTH2.835 INCHES NOMINAL2.835 INCHES NOMINAL IN
THREAD QUANTITY PER INCH12 ALL ENDS12 ALL ENDS
CONNECTION TYPETHREADED EXTERNAL TUBE FIRST FLUID END CONNECTIONTHREADED EXTERNAL TUBE FIRST FLUID END CONNECTION
THREAD SERIES DESIGNATORUN ALL ENDS
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
AN6220-8Interchangeable
interchangeable cross-reference
interchangeable
MIL-C-5502Interchangeable
interchangeable cross-reference
interchangeable
140S2-8DInterchangeable
interchangeable cross-reference
interchangeable
AN6221-8Interchangeable
interchangeable cross-reference
interchangeable
140-S1-8DInterchangeable
interchangeable cross-reference
interchangeable
157-6DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN6220-16?
AN6220-16 is a COUPLING HALF,SELF-SEALING.
What parts can replace AN6220-16?
There are 8 known substitutes for AN6220-16: AN6220-8, MIL-C-5502, 140S2-8D and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN6220-16?
AN6220-16 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-433-2553. 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