PartsTable
Technical Data Sheet

LE451/44 — SPROCKET WHEEL

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

LE451/44: SPROCKET WHEEL.

The SPROCKET WHEEL is a the manufacturer industrial component. Key specifications include bore_type: STRAIGHT, face_width: 55.0 MILLIMETERS NOMINAL MM, bore_length: 55.0 MILLIMETERS NOMINAL MM, design_form: PLAIN, tooth_pitch: 1.250 INCHES NOMINAL IN, bore_diameter: 90.0 MILLIMETERS NOMINAL MM. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-302-9249, 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
LE451/44
NSN: 3020-01-302-9249
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: N0379 — ULSTEIN BERGEN A/S (NOR)
SPECIFICATIONS
bore_typeSTRAIGHT
face_width55.0 MILLIMETERS NOMINAL MM
bore_length55.0 MILLIMETERS NOMINAL MM
design_formPLAIN
tooth_pitch1.250 INCHES NOMINAL IN
bore_diameter90.0 MILLIMETERS NOMINAL MM
pitch_diameter235.2 MILLIMETERS NOMINAL MM
outside_diameter251.0 MILLIMETERS NOMINAL MM
style_designatorPLAIN
teeth_row_quantity2
teeth_quantity_per_row23
asa_standard_chain_number100-2
NSN3020-01-302-9249
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SPROCKET WHEEL TITLE COMPONENT PN LE451/44 MFR SPROCKET WHEEL
KEY FEATURES
•
BORE LENGTH: 55.0 MILLIMETERS NOMINAL MM
•
DESIGN FORM: PLAIN
•
TOOTH PITCH: 1.250 INCHES NOMINAL IN
•
ASA STANDARD CHAIN NUMBER: 100-2
•
OUTSIDE DIAMETER: 251.0 MILLIMETERS NOMINAL MM
•
STYLE DESIGNATOR: PLAIN
•
PITCH DIAMETER: 235.2 MILLIMETERS NOMINAL MM
•
BORE TYPE: STRAIGHT
TECHNICAL CHARACTERISTICS
BORE LENGTH55.0 MILLIMETERS NOMINAL MM
DESIGN FORMPLAIN
TOOTH PITCH1.250 INCHES NOMINAL IN
ASA STANDARD CHAIN NUMBER100-2
OUTSIDE DIAMETER251.0 MILLIMETERS NOMINAL MM
STYLE DESIGNATORPLAIN
PITCH DIAMETER235.2 MILLIMETERS NOMINAL MM
BORE TYPESTRAIGHT
TEETH ROW QUANTITY2
TEETH QUANTITY PER ROW23
OTHER ITEMS IN FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
3020-00-000-0091 3020-00-001-0027 3020-00-001-0028 3020-00-001-0063 3020-00-001-0064 3020-00-001-0066 3020-00-001-0071 3020-00-001-0072
SUBSTITUTES & CROSS-REFERENCES 2
053171Reference document
Same NSN cross-reference
Reference document — Design control — primary reference
87433Reference document
Same NSN cross-reference
Reference document — Secondary reference
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 LE451/44?
LE451/44 is a SPROCKET WHEEL.
What parts can replace LE451/44?
There are 2 known substitutes for LE451/44: 053171, 87433. Substitute compatibility should be verified for your specific system.
What is the NSN for LE451/44?
LE451/44 is cataloged in the U.S. Government catalog under NSN 3020-01-302-9249. 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.