PartsTable
Technical Data Sheet
7977 ✓ 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

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include overall_width: 2.750 INCHES NOMINAL IN, conductor_form: STRANDED SINGLE CONDUCTOR, overall_length: 4.328 INCHES NOMINAL IN, voltage_rating: 600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR, insert_material: PLASTIC POLYAMIDE NYLON SINGLE MATING END, special_features: ENVELOPE MATERIAL: GLASS; MFG CLASS: INDICATOR. This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 2920-00-217-9203, 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 7977
NSN: 2920-00-217-9203
FSC: 2920
CAGE: 0AFL4 — CHAMPION AEROSPACE LLC (USA)
SPECIFICATIONS
overall_width2.750 INCHES NOMINAL IN
conductor_formSTRANDED SINGLE CONDUCTOR
overall_length4.328 INCHES NOMINAL IN
voltage_rating600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
insert_materialPLASTIC POLYAMIDE NYLON SINGLE MATING END
section_quantity1
special_featuresENVELOPE MATERIAL: GLASS; MFG CLASS: INDICATOR
termination_typeTERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
terminal_locationSIDE SINGLE MATING END SINGLE CONTACT GROUPING
lead_overall_length3.327 INCHES MINIMUM AND 3.334 INCHES MAXIMUM IN
mating_end_quantity1
polarization_methodCONTACT
NSN2920-00-217-9203
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 7977 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
STRAND QUANTITY PER CONDUCTOR: 19 SINGLE CONDUCTOR
TERMINAL LUG APERTURE SIZE: 0.200 INCHES FIRST END SINGLE CONDUCTOR IN
CONDUCTOR FORM: STRANDED SINGLE CONDUCTOR
LEAD OVERALL LENGTH: 3.327 INCHES MINIMUM AND 3.334 INCHES MAXIMUM IN
TERMINATION TYPE: LUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR
VOLTAGE RATING: 600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
TECHNICAL CHARACTERISTICS (FLIS)
STRAND QUANTITY PER CONDUCTOR19 SINGLE CONDUCTOR
TERMINAL LUG APERTURE SIZE0.200 INCHES FIRST END SINGLE CONDUCTOR IN
CONDUCTOR FORMSTRANDED SINGLE CONDUCTOR
LEAD OVERALL LENGTH3.327 INCHES MINIMUM AND 3.334 INCHES MAXIMUM IN
TERMINAL LUG APERTURE SIZE0.200 INCHES SECOND END SINGLE CONDUCTOR IN
TERMINATION TYPELUG TERMINAL W/MOUNTING HOLE FIRST END SINGLE CONDUCTOR
VOLTAGE RATING600.0 DC MAXIMUM RATED WORKING VOLTAGE SINGLE CONDUCTOR
TERMINATION TYPETERMINAL STRAIGHT SPARK PLUG SECOND END SINGLE CONDUCTOR
CROSS-SECTIONAL SHAPE STYLEROUND
VERIFIED SUBSTITUTES & CROSS-REFERENCES 12
DMS 83010BInterchangeable
interchangeable cross-reference
interchangeable
7977Interchangeable
interchangeable cross-reference
interchangeable
89445Interchangeable
interchangeable cross-reference
interchangeable
13309Interchangeable
interchangeable cross-reference
interchangeable
JJC89445AInterchangeable
interchangeable cross-reference
interchangeable
B4032Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusCANCELLED
Availability
RoHS CompliantEAR99Not HAZMAT
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FREQUENTLY ASKED QUESTIONS
What is 7977?
7977 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace 7977?
There are 12 known substitutes for 7977: DMS 83010B, 7977, 89445 and 9 more. Substitute compatibility should be verified for your specific system.
Is 7977 still available?
7977 is currently cancelled.
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