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Technical Data Sheet
30-306J11 ✓ Verified by PartsTable
· ORING SEAL
WHAT YOU NEED TO KNOW
Material determines chemical compatibility Standard durometer is 70 Shore A
Wrong material = catastrophic seal failure
PRODUCT OVERVIEW

The CLAMP,LOOP is a the manufacturer industrial component. Key specifications include diameter: 0.204 INCHES NOMINAL IN, material: RUBBER FLUOROSILICONE CLASS FQ CUSHION, overall_width: 0.500 INCHES NOMINAL IN, style_designator: SINGLE LOOP, tongue_hole_type: ROUND, UNTHREADED, material_diameter: 0.032 INCHES NOMINAL IN. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-530-2566, 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
30-306J11
NSN: 5340-01-530-2566
FSC: 5340
CAGE: 18076 — UMPCO, INC. DBA UMPCO INC (USA)
SPECIFICATIONS
diameter0.204 INCHES NOMINAL IN
materialRUBBER FLUOROSILICONE CLASS FQ CUSHION
overall_width0.500 INCHES NOMINAL IN
special_featuresCUSHIONED, COLOR - MEDIUM BLUE, WEDGE MOLDED TO CUSHION, INTENDED TO BE USED WHERE A MATERIAL WITH RESISTANC TO FUEL, OIL, AND HYDRAULIC FLUIDS IS REQUIRED
style_designatorSINGLE LOOP
tongue_hole_typeROUND, UNTHREADED
material_diameter0.032 INCHES NOMINAL IN
surface_treatmentPASSIVATE BUCKLE/CLIP
material_thickness0.032 INCHES NOMINAL IN
loop_inside_diameter0.688 INCHES NOMINAL IN
end_item_identificationMV-22 AIRCRAFT
material_document_and_classificationAMS5510 ASSN STD SINGLE MATERIAL RESPONSE BUCKLE/CLIP
NSN5340-01-530-2566
COMPONENT DIAGRAM
O-RING / SEAL — MATERIAL DETERMINES APPLICATION ID: — CROSS-SECTION CS: — SPECIFICATION Material: — Durometer: — Temp: — PN: 30-306J11 MFR: OEM ⚠ VERIFY BEFORE ORDERING Wrong material = failure. Viton for oil/fuel, EPDM for water/steam, Buna-N for general purpose, Silicone for food-grade. Chemical incompatibility causes swelling, brittleness, or rapid degradation ✓ BROKER TIP Durometer (hardness) affects sealing pressure tolerance. Higher Shore A = harder = higher pressure. Standard durometer is 70A — verify if application requires different hardness PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
MATERIAL THICKNESS: 0.032 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATION: QQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BUCKLE/CLIP
MATERIAL DOCUMENT AND CLASSIFICATION: MIL-R-25988, TYPE 2, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION
SURFACE TREATMENT: PASSIVATE BUCKLE/CLIP
STYLE DESIGNATOR: SINGLE LOOP
MATERIAL: RUBBER FLUOROSILICONE CLASS FQ CUSHION
TECHNICAL CHARACTERISTICS (FLIS)
MATERIAL THICKNESS0.032 INCHES NOMINAL IN
SURFACE TREATMENT DOCUMENT AND CLASSIFICATIONQQ-P-35 FED SPEC SINGLE TREATMENT RESPONSE BUCKLE/CLIP
MATERIAL DOCUMENT AND CLASSIFICATIONMIL-R-25988, TYPE 2, CLASS 2, GRADE 50 MIL SPEC SINGLE MATERIAL RESPONSE CUSHION
SURFACE TREATMENTPASSIVATE BUCKLE/CLIP
MATERIAL DOCUMENT AND CLASSIFICATIONAMS5510 ASSN STD SINGLE MATERIAL RESPONSE BUCKLE/CLIP
STYLE DESIGNATORSINGLE LOOP
MATERIALRUBBER FLUOROSILICONE CLASS FQ CUSHION
MATERIALSTEEL CORROSION RESISTING BUCKLE/CLIP
MATERIAL DIAMETER0.032 INCHES NOMINAL IN
DIAMETER0.204 INCHES NOMINAL IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
MRC7306Interchangeable
interchangeable cross-reference
interchangeable
330ACInterchangeable
interchangeable cross-reference
interchangeable
7306Interchangeable
interchangeable cross-reference
interchangeable
303-06Interchangeable
interchangeable cross-reference
interchangeable
7111M79P01Interchangeable
interchangeable cross-reference
interchangeable
7111M79Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 30-306J11?
30-306J11 is a CLAMP,LOOP.
What parts can replace 30-306J11?
There are 8 known substitutes for 30-306J11: MRC7306, 330AC, 7306 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 30-306J11?
30-306J11 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5340-01-530-2566. This indicates validated use in U.S. government and defense supply chains.
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