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Technical Data Sheet
PartsTable / COMPONENT / 300-128H
300-128H ✓ 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 316 OVERALL, overall_width: 0.562 INCHES NOMINAL IN, inside_diameter: 5.625 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN, style_designator: CLAMP W/TIE, fastening_device_type: PLAIN HEXAGON HEAD SCREW. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-529-4247, 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
300-128H
NSN: 4730-01-529-4247
FSC: 4730
CAGE: 7Z588 — NORMA PENNSYLVANIA INC. DIV BREEZE INDUSTRIAL PRODUCTS (USA)
SPECIFICATIONS
materialSTEEL COMP 316 OVERALL
overall_width0.562 INCHES NOMINAL IN
inside_diameter5.625 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN
style_designatorCLAMP W/TIE
fastening_device_typePLAIN HEXAGON HEAD SCREW
NSN4730-01-529-4247
COMPONENT DIAGRAM
HOSE FITTING — THREAD TYPE IS CRITICAL END A: — STRAIGHT END B: — SPECIFICATIONS Thread: — Material: — Pressure: — PN: 300-128H · 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 316 OVERALL
•
INSIDE DIAMETER: 5.625 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN
•
FASTENING DEVICE TYPE: PLAIN HEXAGON HEAD SCREW
•
STYLE DESIGNATOR: CLAMP W/TIE
TECHNICAL CHARACTERISTICS (FLIS)
OVERALL WIDTH0.562 INCHES NOMINAL IN
MATERIALSTEEL COMP 316 OVERALL
INSIDE DIAMETER5.625 INCHES MINIMUM AND 8.500 INCHES MAXIMUM IN
FASTENING DEVICE TYPEPLAIN HEXAGON HEAD SCREW
STYLE DESIGNATORCLAMP W/TIE
VERIFIED SUBSTITUTES & CROSS-REFERENCES 16
MI1891-32PC11Interchangeable
interchangeable cross-reference
interchangeable
MB1782PC11Interchangeable
interchangeable cross-reference
interchangeable
49035Interchangeable
interchangeable cross-reference
interchangeable
300128Interchangeable
interchangeable cross-reference
interchangeable
715941-1Interchangeable
interchangeable cross-reference
interchangeable
7606586Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 300-128H?
300-128H is a CLAMP,HOSE.
What parts can replace 300-128H?
There are 16 known substitutes for 300-128H: MI1891-32PC11, MB1782PC11, 49035 and 13 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 300-128H?
300-128H is cataloged in the Federal Logistics Information System (FLIS) under NSN 4730-01-529-4247. 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