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Technical Data Sheet
PartsTable / COMPONENT / 221204N
221204N ✓ 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 FILTER ELEMENT,FLUID is a the manufacturer industrial component. Key specifications include material: COPPER ALLOY OVERALL, thread_class: 2A FIRST END BULKHEAD A, connection_type: THREADED INTERNAL PIPE ALL ENDS, connection_style: PLAIN (PIPE) ALL ENDS, style_designator: THREADED INTERNAL, operating_pressure: 3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-6318, 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
221204N
NSN: 4730-00-278-6318
FSC: 4730
CAGE: 06853 — BENDIX COMMERCIAL VEHICLE SYSTEMS LLC DBA BENDIX COMMERCIAL VEHICLE SYSTEMS (USA)
SPECIFICATIONS
materialCOPPER ALLOY OVERALL
thread_class2A FIRST END BULKHEAD A
connection_typeTHREADED INTERNAL PIPE ALL ENDS
connection_stylePLAIN (PIPE) ALL ENDS
style_designatorTHREADED INTERNAL
operating_pressure3000.0 POUNDS PER SQUARE INCH (PSI) MAXIMUM SINGLE RESPONSE LBS
nominal_thread_size0.250 INCHES ALL ENDS IN
nominal_overall_length0.937 INCHES IN
end_item_identificationNSN 2320-01-452-5579 - TRUCK - TRACTOR
media_for_which_designedAIR SECOND RESPONSE
thread_series_designatorNPTF ALL ENDS
furnished_items_and_quantity1 BULKHEAD NUT AND 1 FLAT WASHER
NSN4730-00-278-6318
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 221204N · 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 19
PP046FBGInterchangeable
interchangeable cross-reference
interchangeable
708112Interchangeable
interchangeable cross-reference
interchangeable
K9388057Interchangeable
interchangeable cross-reference
interchangeable
10826Interchangeable
interchangeable cross-reference
interchangeable
204976Interchangeable
interchangeable cross-reference
interchangeable
07-204976Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 221204N?
221204N is a FILTER ELEMENT,FLUID.
What parts can replace 221204N?
There are 19 known substitutes for 221204N: PP046FBG, 708112, K9388057 and 16 more. Substitute compatibility should be verified for your specific system.
Is 221204N still available?
221204N 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