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PartsTable / COMPONENT / HCF4452-3
HCF4452-3 ✓ 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

RESISTOR,FIXED,WIRE WOUND,NONIND. Key specifications include material: STEEL CORROSION RESISTING OVERALL, overall_width: 0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN, inside_diameter: 2.062 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN, style_designator: WIRE, surface_treatment: PASSIVATE OVERALL, fastening_device_type: SLOTTED HEXAGON HEAD SCREW. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-241-7651, 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
HCF4452-3
NSN: 4730-00-241-7651
FSC: 4730
CAGE: 70409 — AMERICAN WELDING AND MFG CO THE (USA)
SPECIFICATIONS
materialSTEEL CORROSION RESISTING OVERALL
overall_width0.500 INCHES MINIMUM AND 0.562 INCHES MAXIMUM IN
inside_diameter2.062 INCHES MINIMUM AND 3.000 INCHES MAXIMUM IN
style_designatorWIRE
surface_treatmentPASSIVATE OVERALL
fastening_device_typeSLOTTED HEXAGON HEAD SCREW
end_item_identificationSELF PROPELLED 175MM GUN,M107 AND SELF PROPELLED 8 INCH HOWITZERS MODELS M110 AND M110A1 MM
nondefinitive_spec/std_data1A TABLE AND F TYPE A
specification/standard_data81348-WW-C-440 GOVERNMENT SPECIFICATION
NSN4730-00-241-7651
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: HCF4452-3 · 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 30
670939C2Interchangeable
interchangeable cross-reference
interchangeable
EPON 828Interchangeable
interchangeable cross-reference
interchangeable
DER 331Interchangeable
interchangeable cross-reference
interchangeable
22540Interchangeable
interchangeable cross-reference
interchangeable
33728Interchangeable
interchangeable cross-reference
interchangeable
00044Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is HCF4452-3?
HCF4452-3 is a RESISTOR,FIXED,WIRE WOUND,NONIND.
What parts can replace HCF4452-3?
There are 30 known substitutes for HCF4452-3: 670939C2, EPON 828, DER 331 and 27 more. Substitute compatibility should be verified for your specific system.
Is HCF4452-3 still available?
HCF4452-3 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