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AN817-2 — Technical Data Sheet

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— · 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, nut_style: TUBE COUPLING, nut_height: 0.844 INCHES NOMINAL IN, seat_angle: 33.00 DEGREES NOMINAL, thread_class: 3B, thread_series: UNF. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System under NSN 4730-00-639-9866, 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
AN817-2
NSN: 4730-00-639-9866
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialSTEEL OVERALL
nut_styleTUBE COUPLING
nut_height0.844 INCHES NOMINAL IN
seat_angle33.00 DEGREES NOMINAL
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentCADMIUM OVERALL
width_across_flats0.375 INCHES NOMINAL IN
nominal_thread_size0.312 INCHES IN
smallest_inside_diameter0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
thread_quantity_per_inch24
NSN4730-00-639-9866
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN817-2 · 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
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL OVERALL
•
THREAD QUANTITY PER INCH: 24
•
THREAD SERIES: UNF
•
WIDTH ACROSS FLATS: 0.375 INCHES NOMINAL IN
•
SEAT ANGLE: 33.00 DEGREES NOMINAL
•
NUT HEIGHT: 0.844 INCHES NOMINAL IN
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.125 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL OVERALL
THREAD QUANTITY PER INCH24
THREAD SERIESUNF
WIDTH ACROSS FLATS0.375 INCHES NOMINAL IN
SEAT ANGLE33.00 DEGREES NOMINAL
NUT HEIGHT0.844 INCHES NOMINAL IN
NOMINAL TUBE OUTSIDE DIAMETER0.125 INCHES IN
NUT STYLETUBE COUPLING
SMALLEST INSIDE DIAMETER0.130 INCHES MINIMUM AND 0.133 INCHES MAXIMUM IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 11
AS5206-12InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS5206InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-AS4841InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN817-10DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN817-12DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS5206J05InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVEGOVERNMENT REGISTRY
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN817-2?
AN817-2 is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AN817-2?
There are 11 known substitutes for AN817-2: AS5206-12, AS5206, SAE-AS4841 and 8 more. Substitute compatibility should be verified for your specific system.
What is the NSN for AN817-2?
AN817-2 is cataloged in the Federal Logistics Information System under NSN 4730-00-639-9866. 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: October 2026