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AN840-17D — 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,PIPE TO HOSE is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, connection_type: THREADED EXTERNAL PIPE FIRST END, connection_style: BEADED (HOSE) SECOND END, special_features: CENTER WRENCHING FACILITY, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 1.000 INCHES FIRST END IN. This part is cataloged in the Federal Logistics Information System under NSN 4730-00-287-1894, 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
AN840-17D
NSN: 4730-00-287-1894
FSC: 4730
CAGE: R1120 — SATAIR A/S (DNK)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
connection_typeTHREADED EXTERNAL PIPE FIRST END
connection_styleBEADED (HOSE) SECOND END
special_featuresCENTER WRENCHING FACILITY
surface_treatmentANODIZE OVERALL
nominal_thread_size1.000 INCHES FIRST END IN
nominal_overall_length2.844 INCHES IN
thread_series_designatorANPT FIRST END
specification/standard_data81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 88044-AN840 GOVERNMENT STANDARD
nominal_inside_diameter_hose_accommodated1.000 INCHES SECOND END IN
surface_treatment_document_and_classificationMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-287-1894
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN840-17D · 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 DOCUMENT AND CLASSIFICATION: MIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
•
CONNECTION STYLE: BEADED (HOSE) SECOND END
•
SPECIFICATION/STANDARD DATA: 81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 88044-AN840 GOVERNMENT STANDARD
•
CONNECTION TYPE: THREADED EXTERNAL PIPE FIRST END
•
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED: 1.000 INCHES SECOND END IN
•
NOMINAL OVERALL LENGTH: 2.844 INCHES IN
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONMIL-A-8625 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
CONNECTION STYLEBEADED (HOSE) SECOND END
CONNECTION STYLEPLAIN (PIPE) FIRST END
SPECIFICATION/STANDARD DATA81343-AS4843/2 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD AND 88044-AN840 GOVERNMENT STANDARD
CONNECTION TYPETHREADED EXTERNAL PIPE FIRST END
SPECIAL FEATURESCENTER WRENCHING FACILITY
NOMINAL INSIDE DIAMETER HOSE ACCOMMODATED1.000 INCHES SECOND END IN
NOMINAL OVERALL LENGTH2.844 INCHES IN
CONNECTION TYPEUNTHREADED EXTERNAL HOSE SECOND END
NOMINAL THREAD SIZE1.000 INCHES FIRST END IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
AN840-11DInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
12HLFDInterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS5183D1212InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
SAE-AS4843/2InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AS5183InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
AN840-6InterchangeableGOVERNMENT REGISTRY
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLEDGOVERNMENT REGISTRY
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN840-17D?
AN840-17D is a ADAPTER,STRAIGHT,PIPE TO HOSE.
What parts can replace AN840-17D?
There are 14 known substitutes for AN840-17D: AN840-11D, 12HLFD, AS5183D1212 and 11 more. Substitute compatibility should be verified for your specific system.
Is AN840-17D still available?
AN840-17D 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: September 2026