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R-12B — TRANSFORMER,POWER

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

R-12B: TRANSFORMER,POWER.

The TRANSFORMER,POWER is a the manufacturer industrial component. Key specifications include width: 30.000 INCHES NOMINAL IN, material: ALUMINUM ALLOY, thickness: 0.080 INCHES NOMINAL IN, body_width: 3.125 INCHES NOMINAL IN, body_height: 2.250 INCHES NOMINAL IN, body_length: 3.750 INCHES NOMINAL IN. This part is cataloged in the U.S.

Government catalog under NSN 9905-00-721-8521, 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
R-12B
NSN: 9905-00-721-8521
NIINs: 007218521, 009776056
FSC: 9905 — Signs, Advertising Displays, and Identification Plates
CAGE: 90142 — FEDERAL PRISON INDUSTRIES, INC - EBG (USA)
SPECIFICATIONS
width30.000 INCHES NOMINAL IN
materialALUMINUM ALLOY
thickness0.080 INCHES NOMINAL IN
body_width3.125 INCHES NOMINAL IN
body_height2.250 INCHES NOMINAL IN
body_length3.750 INCHES NOMINAL IN
inscriptionYIELD
side_length30.000 INCHES NOMINAL IN
design_shapeINVERTED TRIANGLE
inclosure_typeFULLY INCLOSED
mounting_methodTHREADED STUD(S) SINGLE GROUP
frequency_rating50.0 HERTZ NOMINAL OR 60.0 HERTZ NOMINAL SINGLE COMPONENT
NSN9905-00-721-8521
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available TRANSFORMER,POWER TITLE COMPONENT PN R-12B MFR TRANSFORMER,POWER
KEY FEATURES
•
DESIGN SHAPE: INVERTED TRIANGLE
•
INSCRIPTION: YIELD
•
MARKING DESIGNATION: LEGEND
•
POST-CONSUMER RECOVERED MATERIALS PERCENTAGE: 25.0
•
REFLECTING SURFACE: BACKGROUND AND LEGEND
•
COLOR: RED BORDER
TECHNICAL CHARACTERISTICS
DESIGN SHAPEINVERTED TRIANGLE
INSCRIPTIONYIELD
MARKING DESIGNATIONLEGEND
POST-CONSUMER RECOVERED MATERIALS PERCENTAGE25.0
REFLECTING SURFACEBACKGROUND AND LEGEND
COLORRED BORDER
COLORWHITE INSCRIPTION BACKGROUND
COLORRED INSCRIPTION
SPECIAL FEATURESREFLECTIVITY: STANDARD
WIDTH30.000 INCHES NOMINAL IN
SUBSTITUTES & CROSS-REFERENCES 1
R1-2Reference 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 R-12B?
R-12B is a TRANSFORMER,POWER.
What parts can replace R-12B?
There is 1 known substitute for R-12B: R1-2. Substitute compatibility should be verified for your specific system.
What is the NSN for R-12B?
R-12B is cataloged in the U.S. Government catalog under NSN 9905-00-721-8521. 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.