PartsTable
Technical Data Sheet
AN840-9 ✓ 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: COPPER ALLOY 360 OVERALL, connection_type: UNTHREADED EXTERNAL HOSE SECOND END, connection_style: BEADED (HOSE) SECOND END, surface_treatment: CADMIUM INSIDE, nominal_thread_size: 0.375 INCHES FIRST END IN, nominal_overall_length: 2.375 INCHES IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-277-6386, 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
AN840-9
NSN: 4730-00-277-6386
FSC: 4730
CAGE: 88044 — AERONAUTICAL STANDARDS GROUP DEPT OF NAVY AND AIR FORCE (USA)
SPECIFICATIONS
materialCOPPER ALLOY 360 OVERALL
connection_typeUNTHREADED EXTERNAL HOSE SECOND END
connection_styleBEADED (HOSE) SECOND END
surface_treatmentCADMIUM INSIDE
nominal_thread_size0.375 INCHES FIRST END IN
nominal_overall_length2.375 INCHES IN
end_item_identificationCARGO SYSTEM 463LAGAVGCARGO SYSTEM 463L
thread_series_designatorANPT FIRST END
specification/standard_data88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
nominal_pipe_size_accommodated0.375 INCHES FIRST END IN
material_document_and_classificationQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
nominal_inside_diameter_hose_accommodated0.625 INCHES SECOND END IN
NSN4730-00-277-6386
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN840-9 · 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
CONNECTION STYLE: PLAIN (PIPE) FIRST END
SPECIFICATION/STANDARD DATA: 88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIAL DOCUMENT AND CLASSIFICATION: QQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-416,TY 3,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
MATERIAL: COPPER ALLOY 360 OVERALL
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
SURFACE TREATMENT: CADMIUM INSIDE
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION STYLEPLAIN (PIPE) FIRST END
SPECIFICATION/STANDARD DATA88044-AN840 GOVERNMENT STANDARD AND 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
MATERIAL DOCUMENT AND CLASSIFICATIONQQ-B-626,COMP 22 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-416,TY 3,CL 2 FED SPEC SINGLE TREATMENT RESPONSE OUTSIDE
MATERIALCOPPER ALLOY 360 OVERALL
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
SURFACE TREATMENTCADMIUM INSIDE
SURFACE TREATMENTCADMIUM OUTSIDE
THREAD SERIES DESIGNATORANPT FIRST END
NOMINAL PIPE SIZE ACCOMMODATED0.375 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 21
F13Interchangeable
interchangeable cross-reference
interchangeable
M317ZCE1TX9Interchangeable
interchangeable cross-reference
interchangeable
42889Interchangeable
interchangeable cross-reference
interchangeable
7317Interchangeable
interchangeable cross-reference
interchangeable
AA59630-17JABTUInterchangeable
interchangeable cross-reference
interchangeable
20317Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN840-9?
AN840-9 is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace AN840-9?
There are 21 known substitutes for AN840-9: F13, M317ZCE1TX9, 42889 and 18 more. Substitute compatibility should be verified for your specific system.
Is AN840-9 still available?
AN840-9 is currently cancelled.
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