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G12A — GUARD,SWITCH

✓ Government record, cited
— · MOTOR
PRODUCT OVERVIEW

G12A: GUARD,SWITCH.

The GUARD,SWITCH is a the manufacturer industrial component. Key specifications include material: ALUMINUM, current_type: AC AND DC INPUT, overall_width: 2.420 INCHES IN, spline_length: 1.0500 INCHES NOMINAL SINGLE END IN, cooling_method: FAN COOLED, overall_length: 5.818 INCHES IN. This part is cataloged in the U.S.

Government catalog under NSN 6105-01-083-1964, 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
G12A
NSN: 6105-01-083-1964
NIINs: 010831964, 011991559
FSC: 6105 — Motors, Electrical
CAGE: 19710 — MPC PRODUCTS CORPORATION DBA WOODWARD MPC, INC. (USA)
SPECIFICATIONS
materialALUMINUM
current_typeAC AND DC INPUT
overall_width2.420 INCHES IN
spline_length1.0500 INCHES NOMINAL SINGLE END IN
cooling_methodFAN COOLED
overall_length5.818 INCHES IN
shaft_diameter0.812 INCHES NOMINAL SINGLE END IN
mounting_methodTHREADED HOLE(S)
spline_quantity12 SINGLE END
overall_diameter0.530 INCHES NOMINAL IN
enclosure_featureTOTALLY ENCLOSED
frequency_in_hertz400.0 OUTPUT
NSN6105-01-083-1964
COMPONENT DIAGRAM
ELECTRIC MOTOR — FRAME SIZE = MOUNTING PATTERN SHAFT J-BOX MOUNTING FEET — FRAME — — · — RPM — · — PN: G12A · OEM ⚠ VERIFY BEFORE ORDERING NEMA frame size determines mounting bolt pattern — not interchangeable. 56C ≠ 143T bolt pattern. C-face vs foot-mount vs flange — different mounting, same HP doesn't mean drop-in ✓ BROKER TIP TEFC = outdoor/washdown OK. ODP = dry indoor only. TENV = no external fan, explosion-proof areas. 1750 RPM = 4-pole (most common), 3450 RPM = 2-pole, 1150 RPM = 6-pole PARTSTABLE TECHNICAL DRAWING — NOT TO SCALE
KEY FEATURES
•
MOUNTING FACILITY TYPE AND QUANTITY: 4 THREADED HOLE(S)
•
SHAFT DIAMETER: 0.812 INCHES NOMINAL SINGLE END IN
•
FREQUENCY IN HERTZ: 400.0 OUTPUT
•
CURRENT TYPE: AC AND DC INPUT
•
MOUNTING METHOD: FACE
•
SPLINE LENGTH: 1.0500 INCHES NOMINAL SINGLE END IN
•
COOLING METHOD: FAN COOLED
TECHNICAL CHARACTERISTICS
MOUNTING FACILITY TYPE AND QUANTITY4 THREADED HOLE(S)
SHAFT DIAMETER0.812 INCHES NOMINAL SINGLE END IN
FREQUENCY IN HERTZ400.0 OUTPUT
CURRENT TYPEAC AND DC INPUT
OVERALL LENGTH5.818 INCHES IN
MOUNTING METHODFACE
SPLINE LENGTH1.0500 INCHES NOMINAL SINGLE END IN
COOLING METHODFAN COOLED
MAXIMUM OPERATING ALTITUDE RATING30000.0 FEET FT
SPLINE QUANTITY12 SINGLE END
SUBSTITUTES & CROSS-REFERENCES 2
AK1-ASame NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
976011-1CReference document
Same NSN cross-reference
Reference document — Secondary reference
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Terminal item — stock exhausted; no further procurementNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is G12A?
G12A is a GUARD,SWITCH.
What parts can replace G12A?
There are 2 known substitutes for G12A: AK1-A, 976011-1C. Substitute compatibility should be verified for your specific system.
What is the NSN for G12A?
G12A is cataloged in the U.S. Government catalog under NSN 6105-01-083-1964. 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.