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90451 — GENERATOR,ENGINE ACCESSORY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

90451: GENERATOR,ENGINE ACCESSORY.

The GENERATOR,ENGINE ACCESSORY is a the manufacturer industrial component. Key specifications include general_characteristics_item_description: CRES 321 AMS 5576,FSCM 01496,0.594 IN. OD,0.062 IN.

THK IN. This part is cataloged in the U.S. Government catalog under NSN 2920-01-075-4697, 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
90451
NSN: 2920-01-075-4697
NIINs: 010754697, 011174731
FSC: 2920 — Engine Electrical System Components, Nonaircraft
CAGE: 24975 — PRESTOLITE ELECTRIC INC (USA)
SPECIFICATIONS
general_characteristics_item_descriptionCRES 321 AMS 5576,FSCM 01496,0.594 IN. OD,0.062 IN. THK IN
NSN2920-01-075-4697
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GENERATOR,ENGINE ACCESSORY TITLE COMPONENT PN 90451 MFR GENERATOR,ENGINE ACCES
KEY FEATURES
•
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER: 4.160 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN
•
TOP MOUNTING HOLE DIAMETER: 0.390 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
•
SHAFT DRIVE END STYLE: STRAIGHT SHAFT END, THREADED, W/KEYWAY
•
GROUNDING METHOD: EXTERNAL
•
THREAD SERIES: UNF
•
DISTANCE FROM END TO KEYWAY CENTER: 1.060 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
•
THREAD LENGTH: 0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
•
BOTTOM MOUNTING HOLE DIAMETER: 0.624 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
TECHNICAL CHARACTERISTICS
DISTANCE BETWEEN SHAFT CENTER AND BOTTOM MOUNTING HOLE CENTER4.160 INCHES MINIMUM AND 4.220 INCHES MAXIMUM IN
TOP MOUNTING HOLE DIAMETER0.390 INCHES MINIMUM AND 0.420 INCHES MAXIMUM IN
SHAFT DRIVE END STYLESTRAIGHT SHAFT END, THREADED, W/KEYWAY
GROUNDING METHODEXTERNAL
THREAD SERIESUNF
DISTANCE FROM END TO KEYWAY CENTER1.060 INCHES MINIMUM AND 1.180 INCHES MAXIMUM IN
THREAD LENGTH0.560 INCHES MINIMUM AND 0.620 INCHES MAXIMUM IN
BOTTOM MOUNTING HOLE DIAMETER0.624 INCHES MINIMUM AND 0.630 INCHES MAXIMUM IN
MOUNTING STYLEFLANGE MTD W/THREE MTG HOLES
VOLTAGE IN VOLTS14.0
SUBSTITUTES & CROSS-REFERENCES 4
3957523Reference document
Same NSN cross-reference
Reference document — Advisory reference — outside the item-of-supply concept
SAW-10754697Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
7606A90451Reference document
Same NSN cross-reference
Reference document — Secondary reference
A001090451Reference 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 90451?
90451 is a GENERATOR,ENGINE ACCESSORY.
What parts can replace 90451?
There are 4 known substitutes for 90451: 3957523, SAW-10754697, 7606A90451 and 1 more. Substitute compatibility should be verified for your specific system.
What is the NSN for 90451?
90451 is cataloged in the U.S. Government catalog under NSN 2920-01-075-4697. 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.