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91A1A-B28-B12 — RESISTOR,VARIABLE,NONWIRE WOUND,

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

91A1A-B28-B12: RESISTOR,VARIABLE,NONWIRE WOUND,.

RESISTOR,VARIABLE,NONWIRE WOUND,. Key specifications include body_style: RECTANGULAR W/BUSHING, body_width: 0.625 INCHES NOMINAL IN, body_height: 0.625 INCHES NOMINAL IN, body_length: 0.900 INCHES NOMINAL IN, shaft_style: ROUND, SLOTTED, shaft_length: 0.875 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 5905-01-309-5432, 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→ 91A1A-B28-B12
NSN: 5905-01-309-5432
FSC: 5905 — Resistor
CAGE: 3Z867 — BOURNS, INC. DBA BOURNS SENSOR CONTROLS (USA)
SPECIFICATIONS
body_styleRECTANGULAR W/BUSHING
body_width0.625 INCHES NOMINAL IN
body_height0.625 INCHES NOMINAL IN
body_length0.900 INCHES NOMINAL IN
shaft_styleROUND, SLOTTED
shaft_length0.875 INCHES NOMINAL IN
actuator_typeSINGLE SHAFT
shaft_diameter0.249 INCHES NOMINAL IN
section_quantity1
terminal_locationRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
reliability_indicatorNOT ESTABLISHED
mounting_bushing_length1.250 INCHES NOMINAL IN
NSN5905-01-309-5432
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available RESISTOR,VARIABLE,NONWIRE WOUND, TITLE COMPONENT PN 91A1A-B28-B12 MFR RESISTOR,VARIABLE,NONW
KEY FEATURES
•
ELECTRICAL RESISTANCE PER SECTION: 2.5 KILOHMS SINGLE SECTION
•
SECTION QUANTITY: 1
•
SHAFT DIAMETER: 0.249 INCHES NOMINAL IN
•
BODY STYLE: RECTANGULAR W/BUSHING
•
BODY WIDTH: 0.625 INCHES NOMINAL IN
•
BODY HEIGHT: 0.625 INCHES NOMINAL IN
•
TERMINAL LOCATION: RADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
•
SHAFT STYLE: ROUND, SLOTTED
TECHNICAL CHARACTERISTICS
ELECTRICAL RESISTANCE PER SECTION2.5 KILOHMS SINGLE SECTION
SECTION QUANTITY1
SHAFT DIAMETER0.249 INCHES NOMINAL IN
BODY STYLERECTANGULAR W/BUSHING
BODY WIDTH0.625 INCHES NOMINAL IN
BODY HEIGHT0.625 INCHES NOMINAL IN
TERMINAL LOCATIONRADIALLY POSITIONED OVER LESS THAN HALF THE CIRCUMFERENCE
SHAFT STYLEROUND, SLOTTED
ACTUATOR TYPESINGLE SHAFT
SHAFT LENGTH0.875 INCHES NOMINAL IN
OTHER ITEMS IN FSC 5905 — Resistor
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5905-00-000-0136 5905-00-000-0488 5905-00-000-8809 5905-00-000-8833 5905-00-000-9526 5905-00-001-1342 5905-00-001-1573 5905-00-001-2059
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 91A1A-B28-B12?
91A1A-B28-B12 is a RESISTOR,VARIABLE,NONWIRE WOUND,. It is classified as a MRO (MRO_GENERAL).
What is the NSN for 91A1A-B28-B12?
91A1A-B28-B12 is cataloged in the U.S. Government catalog under NSN 5905-01-309-5432. 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.