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Technical Data Sheet
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AS5161 ✓ 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

CONNECTOR,MULTIPLE,FLUID PRESSUR. Key specifications include material: ALUMINUM ALLOY 7075, body_style: PLAIN, overall_length: 2.625 INCHES NOMINAL IN, width_across_flats: 1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN, first_end_seat_angle: 40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM, concentric_hole_depth: 2.156 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-006-9373, 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
AS5161
NSN: 4730-00-006-9373
FSC: 4730
CAGE: 0U583 — SAE INTERNATIONAL DBA SAE INTERNATIONAL (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 7075
body_stylePLAIN
overall_length2.625 INCHES NOMINAL IN
width_across_flats1.370 INCHES MINIMUM AND 1.380 INCHES MAXIMUM IN
first_end_seat_angle40.0 DEGREES MINIMUM AND 50.0 DEGREES MAXIMUM
concentric_hole_depth2.156 INCHES NOMINAL IN
first_end_thread_class3A A
first_end_thread_length0.656 INCHES NOMINAL IN
wrenching_feature_styleHEXAGON
concentric_hole_diameter0.609 INCHES NOMINAL IN
wrenching_feature_height0.313 INCHES NOMINAL IN
first_end_connection_typeTHREADED EXTERNAL TUBE
NSN4730-00-006-9373
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AS5161 · 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
•
FIRST END THREAD QUANTITY PER INCH: 20
•
FIRST RADIAL FLUID HOLE DIAMETER: 0.188 INCHES NOMINAL IN
•
WRENCHING FEATURE STYLE: HEXAGON
•
DISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT: 0.781 INCHES NOMINAL IN
•
FIRST END THREAD DIRECTION: RIGHT-HAND
•
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER: 1.172 INCHES NOMINAL IN
•
FIRST END STYLE DESIGNATOR: FLARED
TECHNICAL CHARACTERISTICS (FLIS)
FIRST END THREAD QUANTITY PER INCH20
FIRST RADIAL FLUID HOLE DIAMETER0.188 INCHES NOMINAL IN
WRENCHING FEATURE STYLEHEXAGON
END ITEM IDENTIFICATIONF/A-18 HORNET AIRCRAFT
DISTANCE FROM FIRST RADIAL HOLE CENTER TO END OF BOLT0.781 INCHES NOMINAL IN
FIRST END THREAD DIRECTIONRIGHT-HAND
LENGTH FROM BEARING SURFACE OF WRENCHING FEATURE TO END OF FIRST DIAMETER1.172 INCHES NOMINAL IN
FIRST END STYLE DESIGNATORFLARED
SPECIFICATION/STANDARD DATA81343-AS4875 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 81343-AS5161 GOVERNMENT STANDARD
SURFACE TREATMENTPASSIVATE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 17
AS5161-06Interchangeable
interchangeable cross-reference
interchangeable
AS4875Interchangeable
interchangeable cross-reference
interchangeable
4730002740936Interchangeable
interchangeable cross-reference
interchangeable
AS5161Interchangeable
interchangeable cross-reference
interchangeable
AN775-8DInterchangeable
interchangeable cross-reference
interchangeable
AN775-4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AS5161?
AS5161 is a CONNECTOR,MULTIPLE,FLUID PRESSUR.
What parts can replace AS5161?
There are 17 known substitutes for AS5161: AS5161-06, AS4875, 4730002740936 and 14 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AS5161?
AS5161 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-006-9373. 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