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1604200 ✓ 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

CONNECTOR,RECEPTACLE,ELECTRICAL. Key specifications include material: STEEL, body_length: 5.688 INCHES NOMINAL IN, design_type: DRY, intake_hole: NOT INCLUDED, groove_width: 0.188 INCHES NOMINAL IN, valve_recess: NOT INCLUDED. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-3721, 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
1604200
NSN: 4730-00-278-3721
FSC: 4730
CAGE: 45152 — OSHKOSH CORP (USA)
SPECIFICATIONS
materialSTEEL
body_length5.688 INCHES NOMINAL IN
design_typeDRY
intake_holeNOT INCLUDED
groove_width0.188 INCHES NOMINAL IN
valve_recessNOT INCLUDED
bore_diameter4.812 INCHES NOMINAL IN
overall_length10.500 INCHES NOMINAL IN
top_intake_portNOT INCLUDED
flange_thickness0.625 INCHES NOMINAL IN
style_designatorWET, RELIEVED, THREE SEAL GROOVES
undercut_diameter5.250 INCHES NOMINAL IN
NSN4730-00-278-3721
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 1604200 · 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 29
4M9009Interchangeable
interchangeable cross-reference
interchangeable
3225X2Interchangeable
interchangeable cross-reference
interchangeable
KF52-743-100PC164Interchangeable
interchangeable cross-reference
interchangeable
70-1315-1Interchangeable
interchangeable cross-reference
interchangeable
7390047Interchangeable
interchangeable cross-reference
interchangeable
1/8FF-BInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 1604200?
1604200 is a CONNECTOR,RECEPTACLE,ELECTRICAL.
What parts can replace 1604200?
There are 29 known substitutes for 1604200: 4M9009, 3225X2, KF52-743-100PC164 and 26 more. Substitute compatibility should be verified for your specific system.
Is 1604200 still available?
1604200 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