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Technical Data Sheet
PartsTable / COMPONENT / C3309X4
C3309X4 ✓ 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 TUBE is a the manufacturer industrial component. Key specifications include material: STEEL COMP 316 OVERALL, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: RIGID, SHORT CENTER WRENCHING FACILITY, surface_treatment: ANODIZE OVERALL, nominal_thread_size: 0.250 INCHES ALL ENDS IN. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-580-7408, 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
C3309X4
NSN: 4730-00-580-7408
FSC: 4730
CAGE: 79470 — DANA CORP WEATHERHEAD DIV (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorRIGID, SHORT CENTER WRENCHING FACILITY
surface_treatmentANODIZE OVERALL
nominal_thread_size0.250 INCHES ALL ENDS IN
nominal_overall_length1.125 INCHES IN
thread_series_designatorNPT ALL ENDS
specification/standard_data88044-AN910 GOVERNMENT STANDARD AND 81343-AS4842 PROFESSIONAL/INDUSTRIAL ASSOCIATION STANDARD
material_document_and_classificationQQ-S-763,CL 316 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
surface_treatment_document_and_classificationMIL-A-8625,TYPE 1 MIL SPEC SINGLE TREATMENT RESPONSE OVERALL
NSN4730-00-580-7408
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: C3309X4 · 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 16
0-10546Interchangeable
interchangeable cross-reference
interchangeable
SR184SSX2SPECIALInterchangeable
interchangeable cross-reference
interchangeable
SR188PPSPECIALInterchangeable
interchangeable cross-reference
interchangeable
020-2-44Interchangeable
interchangeable cross-reference
interchangeable
AS4859K02Interchangeable
interchangeable cross-reference
interchangeable
3321X4Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is C3309X4?
C3309X4 is a ADAPTER,STRAIGHT,PIPE TO TUBE.
What parts can replace C3309X4?
There are 16 known substitutes for C3309X4: 0-10546, SR184SSX2SPECIAL, SR188PPSPECIAL and 13 more. Substitute compatibility should be verified for your specific system.
Is C3309X4 still available?
C3309X4 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