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Technical Data Sheet
PartsTable / COMPONENT / 55509BX
55509BX ✓ 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 CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL BAND, overall_width: 0.750 INCHES NOMINAL IN, inside_diameter: 4.312 INCHES NOMINAL IN, special_features: LOCK NUT HAS NYLON INSERT, style_designator: BAND, surface_treatment: CADMIUM OVERALL. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-318-9197, 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
55509BX
NSN: 4730-01-318-9197
FSC: 4730
CAGE: 75Q65 — OSHKOSH DEFENSE LLC (USA)
SPECIFICATIONS
materialSTEEL BAND
overall_width0.750 INCHES NOMINAL IN
inside_diameter4.312 INCHES NOMINAL IN
special_featuresLOCK NUT HAS NYLON INSERT
style_designatorBAND
surface_treatmentCADMIUM OVERALL
fastening_device_typeSELF-LOCKING HEXAGON NUT
NSN4730-01-318-9197
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 55509BX · 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
KEY FEATURES
•
FASTENING DEVICE TYPE: SELF-LOCKING HEXAGON NUT
•
SURFACE TREATMENT: CADMIUM OVERALL
•
MATERIAL: STEEL BAND
•
STYLE DESIGNATOR: BAND
TECHNICAL CHARACTERISTICS (FLIS)
SPECIAL FEATURESLOCK NUT HAS NYLON INSERT
FASTENING DEVICE TYPESELF-LOCKING HEXAGON NUT
OVERALL WIDTH0.750 INCHES NOMINAL IN
SURFACE TREATMENTCADMIUM OVERALL
MATERIALSTEEL BAND
STYLE DESIGNATORBAND
MATERIALSTEEL NUT
MATERIALSTEEL BOLT
INSIDE DIAMETER4.312 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 6
KD9043ROAC3Interchangeable
interchangeable cross-reference
interchangeable
70094Interchangeable
interchangeable cross-reference
interchangeable
70136Interchangeable
interchangeable cross-reference
interchangeable
3322406Interchangeable
interchangeable cross-reference
interchangeable
G0132300Interchangeable
interchangeable cross-reference
interchangeable
5M1941-004Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 55509BX?
55509BX is a CLAMP,HOSE.
What parts can replace 55509BX?
There are 6 known substitutes for 55509BX: KD9043ROAC3, 70094, 70136 and 3 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 55509BX?
55509BX is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-318-9197. This indicates validated use in U.S. government and defense supply chains.
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✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026