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Technical Data Sheet
PartsTable / MRO / 161821
161821 ✓ 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 SWITCH,SENSITIVE is a the manufacturer industrial component. Key specifications include color: BLACK, length: 1.58333 FEET NOMINAL FT, material: PLASTIC ARAMID AND PLASTIC POLYAMIDE NYLON OVERALL, body_style: HOLE MOUNTED, body_width: 1.000 INCHES NOMINAL IN, body_height: 1.109 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 5995-00-127-6298, 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→ 161821
NSN: 5995-00-127-6298
FSC: 5995
CAGE: 64959 — AMERICAN TELEPHONE AND TELEGRAPH CO (USA)
SPECIFICATIONS
colorBLACK
length1.58333 FEET NOMINAL FT
materialPLASTIC ARAMID AND PLASTIC POLYAMIDE NYLON OVERALL
body_styleHOLE MOUNTED
body_width1.000 INCHES NOMINAL IN
body_height1.109 INCHES NOMINAL IN
body_length2.625 INCHES NOMINAL IN
circumference6.8 MILLIMETERS NOMINAL MM
physical_formCOIL
actuator_styleROUND
inclosure_typeFULLY INCLOSED
actuator_height1.062 INCHES NOMINAL IN
NSN5995-00-127-6298
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH,SENSITIVE TITLE COMPONENT PN 161821 MFR SWITCH,SENSITIVE
KEY FEATURES
•
FSC APPLICATION DATA: TELETYPE AND FACSIMILE EQUIPMENT
TECHNICAL CHARACTERISTICS (FLIS)
FSC APPLICATION DATATELETYPE AND FACSIMILE EQUIPMENT
VERIFIED SUBSTITUTES & CROSS-REFERENCES 5
420-2409-1418742ALTAPC16Interchangeable
interchangeable cross-reference
interchangeable
T1-6504-1286033REVDPC5Interchangeable
interchangeable cross-reference
interchangeable
T1-2200-1286135REVCPC1Interchangeable
interchangeable cross-reference
interchangeable
SC0604THB019Interchangeable
interchangeable cross-reference
interchangeable
161821Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 161821?
161821 is a SWITCH,SENSITIVE. It is classified as a MRO (MRO_GENERAL).
What parts can replace 161821?
There are 5 known substitutes for 161821: 420-2409-1418742ALTAPC16, T1-6504-1286033REVDPC5, T1-2200-1286135REVCPC1 and 2 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 161821?
161821 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5995-00-127-6298. 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