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BP3973 — RESISTOR,VARIABLE,NONWIRE WOUND,

✓ Government record, cited
— · MRO · MRO_GENERAL
PRODUCT OVERVIEW

BP3973: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include material: COPPER ALLOY, body_width: 1.219 INCHES NOMINAL IN, body_height: 1.250 INCHES NOMINAL IN, body_length: 2.187 INCHES NOMINAL IN, surface_treatment: NICKEL, mounting_configuration: ONE 0.160 IN. DIA AND ONE 0.175 IN.

DIA MTG HOLE IN. This part is cataloged in the U.S. Government catalog under NSN 5930-00-581-2512, 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→ BP3973
NSN: 5930-00-581-2512
NIINs: 005812512, 012009615
FSC: 5930 — Switches
CAGE: 27361 — BURKE PRODUCTS INC (USA)
SPECIFICATIONS
materialCOPPER ALLOY
body_width1.219 INCHES NOMINAL IN
body_height1.250 INCHES NOMINAL IN
body_length2.187 INCHES NOMINAL IN
surface_treatmentNICKEL
mounting_configurationONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
NSN5930-00-581-2512
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN BP3973 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
BODY WIDTH: 1.219 INCHES NOMINAL IN
•
BODY HEIGHT: 1.250 INCHES NOMINAL IN
•
BODY LENGTH: 2.187 INCHES NOMINAL IN
•
SURFACE TREATMENT: NICKEL
•
MOUNTING CONFIGURATION: ONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
•
MATERIAL: COPPER ALLOY
TECHNICAL CHARACTERISTICS
BODY WIDTH1.219 INCHES NOMINAL IN
BODY HEIGHT1.250 INCHES NOMINAL IN
BODY LENGTH2.187 INCHES NOMINAL IN
SURFACE TREATMENTNICKEL
MOUNTING CONFIGURATIONONE 0.160 IN. DIA AND ONE 0.175 IN. DIA MTG HOLE IN
MATERIALCOPPER ALLOY
SUBSTITUTES & CROSS-REFERENCES 4
54681AReference document
Same NSN cross-reference
Reference document — Secondary reference
SM-B-186938Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
805LXReference document
Same NSN cross-reference
Reference document — Secondary reference
12093Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BP3973?
BP3973 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What parts can replace BP3973?
There are 4 known substitutes for BP3973: 54681A, SM-B-186938, 805LX and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BP3973?
BP3973 is cataloged in the U.S. Government catalog under NSN 5930-00-581-2512. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.