PartsTable
Technical Data Sheet
PartsTable / COMPONENT / 1681-01
1681-01 ✓ Verified by PartsTable
— · COMPONENT
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 COIL,RADIO FREQUENCY is a the manufacturer industrial component. Key specifications include material: PLASTIC ACETAL, body_width: 1.400 INCHES MAXIMUM IN, body_height: 2.250 INCHES MAXIMUM IN, body_length: 2.250 INCHES MAXIMUM IN, rating_method: ELECTRICAL SINGLE COMPONENT SINGLE WINDING, coil_form_type: SOLID SINGLE COMPONENT. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-178-2614, 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
1681-01
NSN: 5950-01-178-2614
FSC: 5950
CAGE: 72149 — ELECTRONIC TRANSFORMER CORP DIV ELECTRONIC TRANSFORMER CORPORATION (USA)
SPECIFICATIONS
materialPLASTIC ACETAL
body_width1.400 INCHES MAXIMUM IN
body_height2.250 INCHES MAXIMUM IN
body_length2.250 INCHES MAXIMUM IN
rating_methodELECTRICAL SINGLE COMPONENT SINGLE WINDING
coil_form_typeSOLID SINGLE COMPONENT
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
special_featuresDISC MAIN VALVE SEAT
inductance_rating19.00 MILLIHENRIES NOMINAL SINGLE COMPONENT SINGLE WINDING
nominal_thread_size0.138 INCHES SINGLE GROUP IN
reliability_indicatorNOT ESTABLISHED
NSN5950-01-178-2614
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available COIL,RADIO FREQUENCY TITLE COMPONENT PN 1681-01 MFR COIL,RADIO FREQUENCY
KEY FEATURES
•
MAXIMUM OPERATING TEMP: 101.0 CELSIUS DEGC
•
DISTANCE BETWEEN MOUNTING FACILITY CENTERS: 1.920 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
•
MOUNTING METHOD: THREADED STUD(S) SINGLE GROUP
•
COIL FORM TYPE: SOLID SINGLE COMPONENT
•
MOUNTING FACILITY QUANTITY: 2 SINGLE GROUP
•
RATING METHOD: ELECTRICAL SINGLE COMPONENT SINGLE WINDING
•
BODY WIDTH: 1.400 INCHES MAXIMUM IN
•
NOMINAL THREAD SIZE: 0.138 INCHES SINGLE GROUP IN
TECHNICAL CHARACTERISTICS (FLIS)
MAXIMUM OPERATING TEMP101.0 CELSIUS DEGC
DISTANCE BETWEEN MOUNTING FACILITY CENTERS1.920 INCHES NOMINAL SINGLE MOUNTING FACILITY SINGLE CENTER GROUP IN
MOUNTING METHODTHREADED STUD(S) SINGLE GROUP
COIL FORM TYPESOLID SINGLE COMPONENT
MOUNTING FACILITY QUANTITY2 SINGLE GROUP
RATING METHODELECTRICAL SINGLE COMPONENT SINGLE WINDING
BODY WIDTH1.400 INCHES MAXIMUM IN
NOMINAL THREAD SIZE0.138 INCHES SINGLE GROUP IN
BODY LENGTH2.250 INCHES MAXIMUM IN
THREAD SERIES DESIGNATORUNIFIED NATIONAL COARSE (UNC) SINGLE GROUP
VERIFIED SUBSTITUTES & CROSS-REFERENCES 8
2F7949Interchangeable
interchangeable cross-reference
interchangeable
C50-1-1Interchangeable
interchangeable cross-reference
interchangeable
MA3011-57Interchangeable
interchangeable cross-reference
interchangeable
C60-8NInterchangeable
interchangeable cross-reference
interchangeable
168101Interchangeable
interchangeable cross-reference
interchangeable
40611-8 PC NO 33Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy 1681-01?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is 1681-01?
1681-01 is a COIL,RADIO FREQUENCY.
What parts can replace 1681-01?
There are 8 known substitutes for 1681-01: 2F7949, C50-1-1, MA3011-57 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 1681-01?
1681-01 is cataloged in the Federal Logistics Information System (FLIS) under NSN 5950-01-178-2614. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — 1681-01

✓ Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com
Last verified: July 2026