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Technical Data Sheet
66-1121 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
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Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The ARRESTER,ELECTRICAL SURGE is a the manufacturer industrial component. Key specifications include color: GREEN LENSGREEN LENS, width: 4.250 INCHES NOMINAL IN, material: ALUMINUM AND RUBBER FOAM OVERALL, flange_width: 0.105 INCHES NOMINAL0.105 INCHES NOMINAL IN, overall_width: 0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN, overall_height: 0.190 INCHES NOMINAL0.190 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 4310-00-097-9783, 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
MRO MRO_GENERAL 66-1121
NSN: 4310-00-097-9783
FSC: 4310
CAGE: 31577 — JAEGER MACHINE CO (USA)
SPECIFICATIONS
colorGREEN LENSGREEN LENS
width4.250 INCHES NOMINAL IN
materialALUMINUM AND RUBBER FOAM OVERALL
flange_width0.105 INCHES NOMINAL0.105 INCHES NOMINAL IN
overall_width0.800 INCHES NOMINAL0.800 INCHES NOMINAL IN
overall_height0.190 INCHES NOMINAL0.190 INCHES NOMINAL IN
overall_length36.000 INCHES NOMINAL IN
effective_width0.590 INCHES NOMINAL0.590 INCHES NOMINAL IN
mounting_methodFLANGEFLANGE
effective_length0.990 INCHES NOMINAL0.990 INCHES NOMINAL IN
special_featuresAKA RF TRANSIENT SUPP
style_designatorFLATFLAT
NSN4310-00-097-9783
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available ARRESTER,ELECTRICAL SURGE TITLE COMPONENT PN 66-1121 MFR ARRESTER,ELECTRICAL SU
KEY FEATURES
NONSUPPLY ITEMS AND QUANTITIES: DIAPHRAGM 2,SHIM 4,PACKING,PREFORMED 16,GASKET 99
COMPONENT QUANTITY: 121
TECHNICAL CHARACTERISTICS (FLIS)
NONSUPPLY ITEMS AND QUANTITIESDIAPHRAGM 2,SHIM 4,PACKING,PREFORMED 16,GASKET 99
COMPONENT QUANTITY121
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
661121Interchangeable
interchangeable cross-reference
interchangeable
1N451000012Interchangeable
interchangeable cross-reference
interchangeable
664-121Interchangeable
interchangeable cross-reference
interchangeable
SAM SPLINTInterchangeable
interchangeable cross-reference
interchangeable
92-2-13-010 ALBInterchangeable
interchangeable cross-reference
interchangeable
FCC-250-14-NFFBInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 66-1121?
66-1121 is a ARRESTER,ELECTRICAL SURGE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 66-1121?
There are 9 known substitutes for 66-1121: 661121, 1N451000012, 664-121 and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 66-1121?
66-1121 is cataloged in the Federal Logistics Information System (FLIS) under NSN 4310-00-097-9783. This indicates validated use in U.S. government and defense supply chains.
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