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Technical Data Sheet

251-120/SHA2498 — GEAR,SPUR

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

251-120/SHA2498: GEAR,SPUR.

The GEAR,SPUR is a the manufacturer industrial component. Key specifications include material: ALUMINUM ALLOY OVERALL, pitch_diameter: 1.8750 INCHES NOMINAL IN, teeth_quantity: 120, style_designator: HUBLESS, face_nominal_width: 0.125 INCHES IN, end_item_identification: MK 92,MOD 6,INTERIM SUPPORT. This part is cataloged in the U.S.

Government catalog under NSN 3020-01-306-7153, 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
251-120/SHA2498
NSN: 3020-01-306-7153
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
CAGE: 01351 — SOUTHERN GEAR & MACHINE INC (USA)
SPECIFICATIONS
materialALUMINUM ALLOY OVERALL
pitch_diameter1.8750 INCHES NOMINAL IN
teeth_quantity120
style_designatorHUBLESS
face_nominal_width0.125 INCHES IN
end_item_identificationMK 92,MOD 6,INTERIM SUPPORT
nominal_outside_diameter1.9062 INCHES IN
NSN3020-01-306-7153
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available GEAR,SPUR TITLE COMPONENT PN 251-120/SHA2498 MFR GEAR,SPUR
KEY FEATURES
•
TEETH QUANTITY: 120
•
STYLE DESIGNATOR: HUBLESS
•
PITCH DIAMETER: 1.8750 INCHES NOMINAL IN
•
NOMINAL OUTSIDE DIAMETER: 1.9062 INCHES IN
•
MATERIAL: ALUMINUM ALLOY OVERALL
•
FACE NOMINAL WIDTH: 0.125 INCHES IN
TECHNICAL CHARACTERISTICS
TEETH QUANTITY120
STYLE DESIGNATORHUBLESS
PITCH DIAMETER1.8750 INCHES NOMINAL IN
NOMINAL OUTSIDE DIAMETER1.9062 INCHES IN
END ITEM IDENTIFICATIONMK 92,MOD 6,INTERIM SUPPORT
MATERIALALUMINUM ALLOY OVERALL
FACE NOMINAL WIDTH0.125 INCHES IN
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 1
4050237Same NSN cross-reference
Same NSN cross-reference
Also cataloged under this NSN
LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Normally procured from the manufacturer (OEM)No demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is 251-120/SHA2498?
251-120/SHA2498 is a GEAR,SPUR.
What parts can replace 251-120/SHA2498?
There is 1 known substitute for 251-120/SHA2498: 4050237. Substitute compatibility should be verified for your specific system.
What is the NSN for 251-120/SHA2498?
251-120/SHA2498 is cataloged in the U.S. Government catalog under NSN 3020-01-306-7153. 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.