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Technical Data Sheet
PartsTable / COMPONENT / 17X23
17X23 ✓ 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,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: BEADED (HOSE) SECOND END, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.125 INCHES FIRST END IN, nominal_overall_length: 2.078 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-187-0861, 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
17X23
NSN: 4730-00-187-0861
FSC: 4730
CAGE: 70188 — FRANKLIN ENGINE CO INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleBEADED (HOSE) SECOND END
surface_treatmentANODIZE OVERALL
nominal_thread_size0.125 INCHES FIRST END IN
nominal_overall_length2.078 INCHES IN
end_item_identificationAIRCRAFT APPLICATION
media_for_which_designedHYDRAULIC FLUID SINGLE RESPONSE
thread_series_designatorANPT FIRST END
specification/standard_data88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationQQ-A-367,COMP 2014,T6 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-255/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_inside_diameter_hose_accommodated0.250 INCHES SECOND END IN
NSN4730-00-187-0861
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 17X23 · 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-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
•
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-A-367,COMP 2014,T6 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-255/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
•
NOMINAL OVERALL LENGTH: 2.078 INCHES IN
•
MATERIAL: ALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 0.250 INCHES SECOND END IN
•
NOMINAL THREAD SIZE: 0.125 INCHES FIRST END IN
TECHNICAL CHARACTERISTICS (FLIS)
SPECIFICATION/STANDARD DATA88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-A-367,COMP 2014,T6 FED SPEC SINGLE MATERIAL RESPONSE AND QQ-A-255/6,T6 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NOMINAL OVERALL LENGTH2.078 INCHES IN
MATERIALALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED0.250 INCHES SECOND END IN
NOMINAL THREAD SIZE0.125 INCHES FIRST END IN
SPECIFICATION/STANDARD DATA88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
MATERIALALUMINUM ALLOY 2014 AND ALUMINUM ALLOY 2024 OVERALL
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
4HLFDInterchangeable
Same NIIN cross-reference
interchangeable
AN840-4DInterchangeable
Same NIIN cross-reference
interchangeable
AS4843/2Interchangeable
Same NIIN cross-reference
interchangeable
SAE-AS4843/2Interchangeable
Same NIIN cross-reference
interchangeable
840-4DInterchangeable
Same NIIN cross-reference
interchangeable
MIL-F-5509Interchangeable
Same NIIN cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 17X23?
17X23 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace 17X23?
There are 6 known substitutes for 17X23: 4HLFD, AN840-4D, AS4843/2 and 3 more. Substitute compatibility should be verified for your specific system.
Is 17X23 still available?
17X23 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