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PartsTable / COMPONENT / AA59447-5
AA59447-5 ✓ 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 REDUCER,TUBE is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, reducer_type: CONCENTRIC, connection_type: UNTHREADED INTERNAL TUBE ALL ENDS, connection_style: PLAIN (TUBE) ALL ENDS, nominal_overall_length: 3.500 INCHES IN, specification/standard_data: 80204-B16.22 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS35923 GOVERNMENT STANDARD. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-264-9171, 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
AA59447-5
NSN: 4730-00-264-9171
FSC: 4730
CAGE: 58536 — FEDERAL COMMERCIAL ITEM DESCRIPTION PROMULGATED BY GENERAL SERVICES ADMINISTRATION WASHINGTON DC (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
reducer_typeCONCENTRIC
connection_typeUNTHREADED INTERNAL TUBE ALL ENDS
connection_stylePLAIN (TUBE) ALL ENDS
nominal_overall_length3.500 INCHES IN
specification/standard_data80204-B16.22 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 96906-MS35923 GOVERNMENT STANDARD
nominal_outside_diameter_tube_accommodated1.125 INCHES FIRST END IN
tubing_wall_nominal_thickness_for_which_designed0.042 INCHES SECOND END IN
NSN4730-00-264-9171
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AA59447-5 · 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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
AN20Interchangeable
interchangeable cross-reference
interchangeable
N89C131Interchangeable
interchangeable cross-reference
interchangeable
89-4-25-08 DDBInterchangeable
interchangeable cross-reference
interchangeable
MS35923-5Interchangeable
Same NIIN cross-reference
interchangeable
A-A-59447Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AA59447-5?
AA59447-5 is a REDUCER,TUBE.
What parts can replace AA59447-5?
There are 5 known substitutes for AA59447-5: AN20, N89C131, 89-4-25-08 DDB and 2 more. Substitute compatibility should be verified for your specific system.
Is AA59447-5 still available?
AA59447-5 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