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Technical Data Sheet
PartsTable / COMPONENT / WWD56
WWD56 ✓ 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 COMP 302 BAND, overall_width: 0.562 INCHES NOMINAL IN, inside_diameter: 1.328 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN, special_features: W/INNER SHOE, style_designator: BAND, surface_treatment: PASSIVATE BAND. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-00-278-0427, 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
WWD56
NSN: 4730-00-278-0427
FSC: 4730
CAGE: 66295 — WITTEK COMPANIES INTL INC (USA)
SPECIFICATIONS
materialSTEEL COMP 302 BAND
overall_width0.562 INCHES NOMINAL IN
inside_diameter1.328 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
special_featuresW/INNER SHOE
style_designatorBAND
surface_treatmentPASSIVATE BAND
fastening_device_typeTHUMB HEAD SCREW
NSN4730-00-278-0427
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: WWD56 · 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
•
MATERIAL: STEEL COMP 302 BAND
•
INSIDE DIAMETER: 1.328 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
•
FASTENING DEVICE TYPE: THUMB HEAD SCREW
•
STYLE DESIGNATOR: BAND
•
SURFACE TREATMENT: PASSIVATE BAND
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.562 INCHES NOMINAL IN
SPECIAL FEATURESW/INNER SHOE
MATERIALSTEEL COMP 302 BAND
INSIDE DIAMETER1.328 INCHES MINIMUM AND 1.750 INCHES MAXIMUM IN
FASTENING DEVICE TYPETHUMB HEAD SCREW
MATERIALSTEEL CORROSION RESISTING OR STEEL THUMBSCREW
STYLE DESIGNATORBAND
SURFACE TREATMENTPASSIVATE BAND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
BUWEPSDWG2813697Interchangeable
interchangeable cross-reference
interchangeable
2813697Interchangeable
interchangeable cross-reference
interchangeable
AN73TW56-66Interchangeable
interchangeable cross-reference
interchangeable
HK9C24-56/66Interchangeable
interchangeable cross-reference
interchangeable
AN737TW-56/66Interchangeable
interchangeable cross-reference
interchangeable
MILC6985TYPEBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability—
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is WWD56?
WWD56 is a CLAMP,HOSE.
What parts can replace WWD56?
There are 8 known substitutes for WWD56: BUWEPSDWG2813697, 2813697, AN73TW56-66 and 5 more. Substitute compatibility should be verified for your specific system.
Is WWD56 still available?
WWD56 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