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Technical Data Sheet
NL-8421 ✓ Verified by PartsTable
· MRO · MRO_GENERAL
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The NL-8421 is a the manufacturer industrial component. Key specifications include length: 1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN, diameter: 1.080 INCHES MAXIMUM IN, presentation_type: DIGITAL DISPLAY, fsc_application_data: TEST SET,ELECT. EQUIP., special_test_features: DRAWING IAW MIL-STD-100A A, end_item_identification: CONTROL MONITOR GROUP AN/GRA-111.

This product is currently in active production with full OEM support. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-477-7844, 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 NL-8421
NSN: 6625-00-477-7844
FSC: 6625
CAGE: 83781 — NATIONAL ELECTRONICS DIV OF RICHARDSON ELECTRONICS LTD (USA)
SPECIFICATIONS
length1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
diameter1.080 INCHES MAXIMUM IN
presentation_typeDIGITAL DISPLAY
fsc_application_dataTEST SET,ELECT. EQUIP.
special_test_featuresDRAWING IAW MIL-STD-100A A
display_digit_quantity1
end_item_identificationCONTROL MONITOR GROUP AN/GRA-111
electrical_connection_quantity13
mounting_facility_type_and_quantity1 PLUG-IN
NSN6625-00-477-7844
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NL-8421 TITLE COMPONENT PN NL-8421 MFR NL-8421
KEY FEATURES
MOUNTING FACILITY TYPE AND QUANTITY: 1 PLUG-IN
SPECIAL TEST FEATURES: DRAWING IAW MIL-STD-100A A
FSC APPLICATION DATA: TEST SET,ELECT. EQUIP.
ELECTRICAL CONNECTION QUANTITY: 13
DISPLAY DIGIT QUANTITY: 1
PRESENTATION TYPE: DIGITAL DISPLAY
DIAMETER: 1.080 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS (FLIS)
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN
SPECIAL TEST FEATURESDRAWING IAW MIL-STD-100A A
FSC APPLICATION DATATEST SET,ELECT. EQUIP.
ELECTRICAL CONNECTION QUANTITY13
DISPLAY DIGIT QUANTITY1
PRESENTATION TYPEDIGITAL DISPLAY
END ITEM IDENTIFICATIONCONTROL MONITOR GROUP AN/GRA-111
DIAMETER1.080 INCHES MAXIMUM IN
LENGTH1.250 INCHES MINIMUM AND 1.375 INCHES MAXIMUM IN
MOUNTING FACILITY TYPE AND QUANTITY1 PLUG-IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 15
547A003086Interchangeable
interchangeable cross-reference
interchangeable
A547-645Interchangeable
interchangeable cross-reference
interchangeable
8421Interchangeable
interchangeable cross-reference
interchangeable
REPAIR KITInterchangeable
interchangeable cross-reference
interchangeable
MILR19907Interchangeable
interchangeable cross-reference
interchangeable
3134768CInterchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is NL-8421?
NL-8421 is a NL-8421. It is classified as a MRO (MRO_GENERAL).
What parts can replace NL-8421?
There are 15 known substitutes for NL-8421: 547A003086, A547-645, 8421 and 12 more. Substitute compatibility should be verified for your specific system.
What is the NSN for NL-8421?
NL-8421 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-477-7844. This indicates validated use in U.S. government and defense supply chains.
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