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Technical Data Sheet
PartsTable / COMPONENT / AN-9
AN-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 COUPLING,TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, leg_length: 0.765 INCHES NOMINAL FIRST END IN, connection_type: THREADED EXTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: CENTER WRENCHING FACILITY, nominal_thread_size: 0.500 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-264-9160, 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
AN-9
NSN: 4730-00-264-9160
FSC: 4730
CAGE: 77075 — CASTLE A M AND CO (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
leg_length0.765 INCHES NOMINAL FIRST END IN
connection_typeTHREADED EXTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorCENTER WRENCHING FACILITY
nominal_thread_size0.500 INCHES ALL ENDS IN
maximum_operating_temp-65.0 FAHRENHEIT SECOND RESPONSE DEGF
nominal_overall_length1.843 INCHES IN
media_for_which_designedOXYGEN, GASEOUS SECOND RESPONSE
thread_series_designatorANPT ALL ENDS
material_document_and_classificationQQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
NSN4730-00-264-9160
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: AN-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
VERIFIED SUBSTITUTES & CROSS-REFERENCES 34
11447Interchangeable
interchangeable cross-reference
interchangeable
AN1Interchangeable
interchangeable cross-reference
interchangeable
B16.22Interchangeable
interchangeable cross-reference
interchangeable
712560-100Interchangeable
interchangeable cross-reference
interchangeable
B16-22Interchangeable
interchangeable cross-reference
interchangeable
75428AInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is AN-9?
AN-9 is a COUPLING,TUBE.
What parts can replace AN-9?
There are 34 known substitutes for AN-9: 11447, AN1, B16.22 and 31 more. Substitute compatibility should be verified for your specific system.
Is AN-9 still available?
AN-9 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