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BCI 31 — NAVIGATION SET,DOPPLER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

BCI 31: NAVIGATION SET,DOPPLER.

The NAVIGATION SET,DOPPLER is a the manufacturer industrial component. Key specifications include material: PLASTIC CASE, plate_type: NEGATIVE AND POSITIVE, overall_width: 6.800 INCHES NOMINAL IN, terminal_type: THREADED STUD, overall_height: 9.400 INCHES NOMINAL IN, overall_length: 13.000 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 6140-01-031-6881, 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
BCI 31
NSN: 6140-01-031-6881
NIINs: 010316881, 010316882, 010321326, 012034909, 012101963, 014066841
FSC: 6140 — Batteries, Rechargeable
CAGE: 13873 — DLA AVIATION ENGINEERING DIV DEPARTMENT OF DEFENSE (USA)
SPECIFICATIONS
materialPLASTIC CASE
plate_typeNEGATIVE AND POSITIVE
cell_quantity6
overall_width6.800 INCHES NOMINAL IN
terminal_typeTHREADED STUD
overall_height9.400 INCHES NOMINAL IN
overall_length13.000 INCHES NOMINAL IN
case_design_typeSEALED
special_featuresCOLD CRANK AMPS AT 0 DEG F-580;RESERVE CAPACITY IN MINUTES-180 DEGF
voltage_in_volts12.0
terminal_locationTOP
terminal_quantity2
NSN6140-01-031-6881
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available NAVIGATION SET,DOPPLER TITLE COMPONENT PN BCI 31 MFR NAVIGATION SET,DOPPLER
KEY FEATURES
•
TERMINAL QUANTITY: 2
•
TERMINAL TYPE: TAPER POST
•
VOLTAGE IN VOLTS: 12.0
•
PLATE TYPE: NEGATIVE OR POSITIVE
•
NONDEFINITIVE SPEC/STD DATA: 6 CLASS
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT9.188 INCHES NOMINAL IN
TERMINAL QUANTITY2
TERMINAL TYPETAPER POST
VOLTAGE IN VOLTS12.0
OVERALL LENGTH13.141 INCHES NOMINAL IN
OVERALL WIDTH6.800 INCHES NOMINAL IN
PLATE TYPENEGATIVE OR POSITIVE
NONDEFINITIVE SPEC/STD DATA6 CLASS
BATTERY ELECTROLYTEACID
TIME CAPACITY IN HOURS20.00
SUBSTITUTES & CROSS-REFERENCES 8
SAE-J537Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
SAE J537-31-475Reference document
Same NSN cross-reference
Reference document — Secondary reference
31-475Reference document
Same NSN cross-reference
Reference document — Secondary reference
W-B-131Reference document
Same NSN cross-reference
Reference document — Secondary reference
J537/31-475Reference document
Same NSN cross-reference
Reference document — Secondary reference
6-31-475Reference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusCancelled· U.S. Government catalog
HAZMAT per U.S. Government catalogShelf-life managedAcquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is BCI 31?
BCI 31 is a NAVIGATION SET,DOPPLER.
What parts can replace BCI 31?
There are 8 known substitutes for BCI 31: SAE-J537, SAE J537-31-475, 31-475 and 5 more. Substitute compatibility should be verified for your specific system.
What is the NSN for BCI 31?
BCI 31 is cataloged in the U.S. Government catalog under NSN 6140-01-031-6881. 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.