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N1228-1 — GENERATOR,ENGINE ACCESSORY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

N1228-1: GENERATOR,ENGINE ACCESSORY.

The GENERATOR,ENGINE ACCESSORY is a the manufacturer industrial component. Key specifications include keyway_width: 0.1875 INCHES NOMINAL IN, thread_class: 1A A, keyway_length: 0.780 INCHES NOMINAL IN, thread_length: 0.850 INCHES NOMINAL IN, thread_series: UN, mounting_style: NO MOUNTING PROVISIONS. This part is cataloged in the U.S.

Government catalog under NSN 2920-01-458-9238, 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
N1228-1
NSN: 2920-01-458-9238
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 76761 — C E NIEHOFF & CO (USA)
SPECIFICATIONS
keyway_width0.1875 INCHES NOMINAL IN
thread_class1A A
keyway_length0.780 INCHES NOMINAL IN
thread_length0.850 INCHES NOMINAL IN
thread_seriesUN
mounting_styleNO MOUNTING PROVISIONS
submersibilityNONSUBMERSIBLE
thread_diameter0.3750 INCHES NOMINAL IN
thread_directionRIGHT-HAND
voltage_in_volts28.0
second_step_diameter0.4375 INCHES NOMINAL IN
shaft_drive_end_styleSTRAIGHT SHAFT END, THREADED, W/KEYWAY
NSN2920-01-458-9238
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GENERATOR,ENGINE ACCESSORY TITLE COMPONENT PN N1228-1 MFR GENERATOR,ENGINE ACCES
KEY FEATURES
•
SHAFT DRIVE END STYLE: STRAIGHT SHAFT END, THREADED, W/KEYWAY
•
THREAD SERIES: UN
•
DISTANCE FROM END TO KEYWAY CENTER: 2.350 INCHES NOMINAL IN
•
THREAD LENGTH: 0.850 INCHES NOMINAL IN
•
MOUNTING STYLE: NO MOUNTING PROVISIONS
•
VOLTAGE IN VOLTS: 28.0
•
THREAD DIAMETER: 0.3750 INCHES NOMINAL IN
•
ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT: 8000
TECHNICAL CHARACTERISTICS
SHAFT DRIVE END STYLESTRAIGHT SHAFT END, THREADED, W/KEYWAY
THREAD SERIESUN
DISTANCE FROM END TO KEYWAY CENTER2.350 INCHES NOMINAL IN
THREAD LENGTH0.850 INCHES NOMINAL IN
MOUNTING STYLENO MOUNTING PROVISIONS
VOLTAGE IN VOLTS28.0
THREAD DIAMETER0.3750 INCHES NOMINAL IN
ARMATURE MINIMUM SPEED IN RPM AT FULL CURRENT OUTPUT8000
SHAFT ROTATION DIRECTIONCLOCKWISE OR COUNTERCLOCKWISE
THREAD DIRECTIONRIGHT-HAND
OTHER ITEMS IN FSC 2920 — Engine Electrical System Components, Nonaircraft
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
2920-00-003-5173 2920-00-005-1596 2920-00-035-6718 2920-00-158-2674 2920-00-255-4938 2920-00-424-3259
SUBSTITUTES & CROSS-REFERENCES 1
3043161Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Insurance item — stocked against contingency demandNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is N1228-1?
N1228-1 is a GENERATOR,ENGINE ACCESSORY.
What parts can replace N1228-1?
There is 1 known substitute for N1228-1: 3043161. Substitute compatibility should be verified for your specific system.
What is the NSN for N1228-1?
N1228-1 is cataloged in the U.S. Government catalog under NSN 2920-01-458-9238. 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.