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PartsTable / COMPONENT / AN817-5D
AN817-5D ✓ 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 ADAPTER,STRAIGHT,TUBE TO BOSS is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, nut_style: TUBE COUPLING, nut_height: 1.062 INCHES NOMINAL IN, seat_angle: 33.00 DEGREES NOMINAL, thread_class: 3B, thread_series: UNF. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-639-9869, 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
AN817-5D
NSN: 4730-00-639-9869
FSC: 4730
CAGE: 11348 — GILMAN CO INC THE (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
nut_styleTUBE COUPLING
nut_height1.062 INCHES NOMINAL IN
seat_angle33.00 DEGREES NOMINAL
thread_class3B
thread_seriesUNF
thread_directionRIGHT-HAND
surface_treatmentANODIZE OVERALL
width_across_flats0.625 INCHES NOMINAL IN
nominal_thread_size0.500 INCHES IN
smallest_inside_diameter0.318 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
thread_quantity_per_inch20
NSN4730-00-639-9869
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN817-5D · 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
•
SPECIFICATION/STANDARD DATA: 88044-AN817 GOVERNMENT STANDARD
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
SURFACE TREATMENT: ANODIZE OVERALL
•
SEAT ANGLE: 33.00 DEGREES NOMINAL
•
NOMINAL TUBE OUTSIDE DIAMETER: 0.312 INCHES IN
•
THREAD QUANTITY PER INCH: 20
•
THREAD SERIES: UNF
•
SMALLEST INSIDE DIAMETER: 0.318 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA88044-AN817 GOVERNMENT STANDARD
MATERIALALUMINUM ALLOY OVERALL
SURFACE TREATMENTANODIZE OVERALL
SEAT ANGLE33.00 DEGREES NOMINAL
NOMINAL TUBE OUTSIDE DIAMETER0.312 INCHES IN
THREAD QUANTITY PER INCH20
THREAD SERIESUNF
SMALLEST INSIDE DIAMETER0.318 INCHES MINIMUM AND 0.321 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.500 INCHES IN
NUT STYLETUBE COUPLING
VERIFIED SUBSTITUTES & CROSS-REFERENCES 10
17265Interchangeable
interchangeable cross-reference
interchangeable
54N34Interchangeable
interchangeable cross-reference
interchangeable
672-0449-00Interchangeable
interchangeable cross-reference
interchangeable
7486SInterchangeable
interchangeable cross-reference
interchangeable
C0DE-6700-AInterchangeable
interchangeable cross-reference
interchangeable
989110-44BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN817-5D?
AN817-5D is a ADAPTER,STRAIGHT,TUBE TO BOSS.
What parts can replace AN817-5D?
There are 10 known substitutes for AN817-5D: 17265, 54N34, 672-0449-00 and 7 more. Substitute compatibility should be verified for your specific system.
Is AN817-5D still available?
AN817-5D is currently cancelled.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026