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4401B71-1 — CLAMP,HOSE

✓ Government record, cited
— · HOSE FITTING
PRODUCT OVERVIEW

4401B71-1: CLAMP,HOSE.

The CLAMP,HOSE is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, overall_width: 0.312 INCHES NOMINAL IN, inside_diameter: 0.520 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN, special_features: COLOR IDENTIFICATION YELLOW, style_designator: BAND, surface_treatment: PHOSPHATE OVERALL. This part is cataloged in the U.S.

Government catalog under NSN 4730-01-148-2778, 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
4401B71-1
NSN: 4730-01-148-2778
FSC: 4730 — Hose, Pipe, Tube, Lubrication, and Railing Fittings
CAGE: 99167 — HAMILTON SUNDSTRAND CORPORATION (USA)
SPECIFICATIONS
materialSTEEL OVERALL
overall_width0.312 INCHES NOMINAL IN
inside_diameter0.520 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
special_featuresCOLOR IDENTIFICATION YELLOW
style_designatorBAND
surface_treatmentPHOSPHATE OVERALL
fastening_device_typeSPRING TENSION
surface_treatment_document_and_classificationGM-4435-M,GRADE 72,CODE B MFR REF SINGLE TREATMENT RESPONSE OVERALL
NSN4730-01-148-2778
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 4401B71-1 · 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
•
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: GM-4435-M,GRADE 72,CODE B MFR REF SINGLE TREATMENT RESPONSE OVERALL
•
FASTENING DEVICE TYPE: SPRING TENSION
•
STYLE DESIGNATOR: BAND
•
INSIDE DIAMETER: 0.520 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
•
SURFACE TREATMENT: PHOSPHATE OVERALL
•
MATERIAL: STEEL OVERALL
TECHNICAL CHARACTERISTICS
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONGM-4435-M,GRADE 72,CODE B MFR REF SINGLE TREATMENT RESPONSE OVERALL
FASTENING DEVICE TYPESPRING TENSION
STYLE DESIGNATORBAND
OVERALL WIDTH0.312 INCHES NOMINAL IN
INSIDE DIAMETER0.520 INCHES MINIMUM AND 0.605 INCHES MAXIMUM IN
SPECIAL FEATURESCOLOR IDENTIFICATION YELLOW
SURFACE TREATMENTPHOSPHATE OVERALL
MATERIALSTEEL OVERALL
SUBSTITUTES & CROSS-REFERENCES 3
353311Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
3786324Reference document
Same NSN cross-reference
Reference document — Drawing number reference only
3786275Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 4401B71-1?
4401B71-1 is a CLAMP,HOSE.
What parts can replace 4401B71-1?
There are 3 known substitutes for 4401B71-1: 353311, 3786324, 3786275. Substitute compatibility should be verified for your specific system.
What is the NSN for 4401B71-1?
4401B71-1 is cataloged in the U.S. Government catalog under NSN 4730-01-148-2778. This indicates validated use in U.S. government and defense supply chains.
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