PartsTable
Technical Data Sheet
TG2491 ✓ Verified by PartsTable
· COMPONENT
WHAT YOU NEED TO KNOW
Verify manufacturer and server generation compatibility Check if Option PN or Spare PN — same part, different channel
Confirm exact part number — similar PNs may be different parts
PRODUCT OVERVIEW

The GEAR,HELICAL is a the manufacturer industrial component. Key specifications include material: STEEL OVERALL, body_style: WEBBED, OFFSET, WITH LIGHTENING HOLES, bore_style: W/ KEYWAY BOTH ENDS, teeth_type: SINGLE HELIX, tooth_form: STANDARD, helix_angle: 25.8487 DEGREES. This product is currently in active production with full OEM support.

This part is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-541-4825, 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
TG2491
NSN: 3020-00-541-4825
FSC: 3020
CAGE: 31033 — TRW INC TRW INTL TRADE GOVERNMENT SALES DEPT (USA)
SPECIFICATIONS
materialSTEEL OVERALL
body_styleWEBBED, OFFSET, WITH LIGHTENING HOLES
bore_styleW/ KEYWAY BOTH ENDS
teeth_typeSINGLE HELIX
tooth_formSTANDARD
helix_angle25.8487 DEGREES
pitch_diameter8.2220 INCHES NOMINAL IN
pressure_angle20.0000 DEGREES
teeth_quantity74
hardness_rating89.0 ROCKWELL B NOMINAL OVERALL
tooth_directionRIGHT
style_designatorONE PROTRUDING HUB, ONE RECESSED HUB
NSN3020-00-541-4825
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,HELICAL TITLE COMPONENT PN TG2491 MFR GEAR,HELICAL
KEY FEATURES
HUB NOMINAL DIAMETER: 2.4950 INCHES SECOND END IN
BODY STYLE: WEBBED, OFFSET, WITH LIGHTENING HOLES
TOOTH FORM: STANDARD
NOMINAL OUTSIDE DIAMETER: 8.4190 INCHES IN
PRESSURE ANGLE: 20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END: 0.3750 INCHES FIRST END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END: 0.0600 INCHES SECOND END IN
BORE STYLE: W/ KEYWAY BOTH ENDS
TECHNICAL CHARACTERISTICS (FLIS)
HUB NOMINAL DIAMETER2.4950 INCHES SECOND END IN
BODY STYLEWEBBED, OFFSET, WITH LIGHTENING HOLES
TOOTH FORMSTANDARD
NOMINAL OUTSIDE DIAMETER8.4190 INCHES IN
PRESSURE ANGLE20.0000 DEGREES
NOMINAL DISTANCE BETWEEN BODY FACE AND PROTRUDING HUB END0.3750 INCHES FIRST END IN
NOMINAL DISTANCE BETWEEN BODY FACE AND RECESSED HUB END0.0600 INCHES SECOND END IN
BORE STYLEW/ KEYWAY BOTH ENDS
HUB NOMINAL DIAMETER2.2550 INCHES FIRST END IN
KEYWAY NOMINAL WIDTH0.252 INCHES BOTH ENDS IN
VERIFIED SUBSTITUTES & CROSS-REFERENCES 9
20836Interchangeable
interchangeable cross-reference
interchangeable
08108-300-PAR56-5MFLInterchangeable
interchangeable cross-reference
interchangeable
300-PAR56-4MFLInterchangeable
interchangeable cross-reference
interchangeable
14950Interchangeable
interchangeable cross-reference
interchangeable
WAV 870 ITEM H101A 2083-6Interchangeable
interchangeable cross-reference
interchangeable
A733Interchangeable
interchangeable cross-reference
interchangeable
LIFECYCLE
StatusACTIVE
AvailabilityOEM and secondary market
RoHS CompliantEAR99Not HAZMAT
Ready to buy TG2491?
Compare prices from verified sellers on eBay
Buy on eBay →
As an eBay Partner, PartsTable may earn a commission. Your price is not affected.
FREQUENTLY ASKED QUESTIONS
What is TG2491?
TG2491 is a GEAR,HELICAL.
What parts can replace TG2491?
There are 9 known substitutes for TG2491: 20836, 08108-300-PAR56-5MFL, 300-PAR56-4MFL and 6 more. Substitute compatibility should be verified for your specific system.
What is the NSN for TG2491?
TG2491 is cataloged in the Federal Logistics Information System (FLIS) under NSN 3020-00-541-4825. This indicates validated use in U.S. government and defense supply chains.
Community Feedback
Comments (0)
No comments yet. Be the first to share what you know.
Leave a Comment
Comments are reviewed before appearing. You will receive an email to verify before your comment appears.

Request a Quote — TG2491