PartsTable
Technical Data Sheet
163-21 ✓ Verified by PartsTable
Trefl · 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

Premium quality is achieved by using appropriate thick cardboard, a special non-reflective layer, and puzzle pieces’ perfect fitting. Key specifications include document_identification: SUMMIT X480 CORE LICENSE, end_item_identification: X480. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-996-9856, 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 163-21
NSN: 6625-00-996-9856
FSC: 6625
CAGE: 14632 — DRS SIGNAL SOLUTIONS, INC. (USA)
SPECIFICATIONS
document_identificationSUMMIT X480 CORE LICENSE
end_item_identificationX480
NSN6625-00-996-9856
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR MFR: Trefl RELAY,ELECTROMAGNETIC TITLE COMPONENT PN 163-21 MFR Trefl RELAY,ELECTROMAGNETIC
KEY FEATURES
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH: 1.320 INCHES NOMINAL IN
MOVEMENT TYPE: MOVING COIL, PERMANENT MAGNET
SCALE DIVISION QUANTITY: 10 SINGLE INDICATOR SINGLE RANGE
SCALE GRADUATION TYPE: LINEAR SINGLE INDICATOR SINGLE RANGE
METER BODY DIAMETER BEHIND MOUNTING FLANGE: 1.500 INCHES NOMINAL IN
SPECIAL MARKINGS: DIAL SCALE INSCRIBED SIGNAL STRENGTH
TECHNICAL CHARACTERISTICS (FLIS)
CENTER TO CENTER DISTANCE BETWEEN MOUNTING FACILITIES PARALLEL TO LENGTH1.320 INCHES NOMINAL IN
OVERALL HEIGHT1.760 INCHES NOMINAL IN
MOVEMENT TYPEMOVING COIL, PERMANENT MAGNET
SCALE DIVISION QUANTITY10 SINGLE INDICATOR SINGLE RANGE
OVERALL WIDTH1.760 INCHES NOMINAL IN
SCALE GRADUATION TYPELINEAR SINGLE INDICATOR SINGLE RANGE
METER BODY DIAMETER BEHIND MOUNTING FLANGE1.500 INCHES NOMINAL IN
SPECIAL MARKINGSDIAL SCALE INSCRIBED SIGNAL STRENGTH
METER DEPTH BEHIND MOUNTING FLANGE0.870 INCHES NOMINAL IN
FURNISHED ITEMS AND QUANTITYWASHER6,NUT 6
VERIFIED SUBSTITUTES & CROSS-REFERENCES 14
016-32Upgraded Successor
successor cross-reference
successor
16-32Upgraded Successor
successor cross-reference
successor
20806Interchangeable
interchangeable cross-reference
interchangeable
15891Interchangeable
interchangeable cross-reference
interchangeable
42922Interchangeable
interchangeable cross-reference
interchangeable
116902Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99ESD SensitiveNot HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 163-21?
163-21 is a RELAY,ELECTROMAGNETIC manufactured by Trefl. It is classified as a MRO (MRO_GENERAL).
What parts can replace 163-21?
There are 14 known substitutes for 163-21: 016-32, 16-32, 20806 and 11 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 163-21?
163-21 is cataloged in the Federal Logistics Information System (FLIS) under NSN 6625-00-996-9856. This indicates validated use in U.S. government and defense supply chains.
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