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Technical Data Sheet
PartsTable / COMPONENT / AN917-4
AN917-4 ✓ 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 BOSS is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, leg_length: 1.234 INCHES NOMINAL ALL ENDS IN, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, surface_treatment: CADMIUM OVERALL, nominal_thread_size: 0.500 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-433-3438, 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
AN917-4
NSN: 4730-00-433-3438
FSC: 4730
CAGE: 71563 — COLLINS ENGINEERING CORP (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
leg_length1.234 INCHES NOMINAL ALL ENDS IN
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
surface_treatmentCADMIUM OVERALL
nominal_thread_size0.500 INCHES ALL ENDS IN
thread_series_designatorANPT ALL ENDS
specification/standard_data88044-AN917 GOVERNMENT STANDARD
NSN4730-00-433-3438
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN917-4 · 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 TYPE: THREADED INTERNAL PIPE ALL ENDS
•
LEG LENGTH: 1.234 INCHES NOMINAL ALL ENDS IN
•
THREAD SERIES DESIGNATOR: ANPT ALL ENDS
•
CONNECTION STYLE: PLAIN (PIPE) ALL ENDS
•
MATERIAL: COPPER ALLOY OVERALL
•
SURFACE TREATMENT: CADMIUM OVERALL
•
SPECIFICATION/STANDARD DATA: 88044-AN917 GOVERNMENT STANDARD
•
NOMINAL THREAD SIZE: 0.500 INCHES ALL ENDS IN
TECHNICAL CHARACTERISTICS (FLIS)
CONNECTION TYPETHREADED INTERNAL PIPE ALL ENDS
LEG LENGTH1.234 INCHES NOMINAL ALL ENDS IN
THREAD SERIES DESIGNATORANPT ALL ENDS
CONNECTION STYLEPLAIN (PIPE) ALL ENDS
MATERIALCOPPER ALLOY OVERALL
SURFACE TREATMENTCADMIUM OVERALL
SPECIFICATION/STANDARD DATA88044-AN917 GOVERNMENT STANDARD
NOMINAL THREAD SIZE0.500 INCHES ALL ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 20
AS4842Interchangeable
interchangeable cross-reference
interchangeable
AN917-3JInterchangeable
interchangeable cross-reference
interchangeable
AS4857J03Interchangeable
interchangeable cross-reference
interchangeable
AS4857Interchangeable
interchangeable cross-reference
interchangeable
AS4857-03Interchangeable
interchangeable cross-reference
interchangeable
AN917-8DInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN917-4?
AN917-4 is a ADAPTER,STRAIGHT,PIPE TO BOSS.
What parts can replace AN917-4?
There are 20 known substitutes for AN917-4: AS4842, AN917-3J, AS4857J03 and 17 more. Substitute compatibility should be verified for your specific system.
Is AN917-4 still available?
AN917-4 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