PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

555-24Gear,spur

Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc · NSN 3020-00-670-8249 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-670-8249 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-670-8249. Primary manufacturer part number: 555-24.
Features
  • Gear,spur — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 0.130 INCHES SECOND END IN
  • Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
  • Mounting Hole Nominal Diameter: 0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Pressure Angle: 20.0000 DEGREES
  • Surface Treatment: ANODIZE OVERALL
  • Mounting Hole Nominal Thread Size: 0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
  • Nominal Outside Diameter: 0.600 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Aluminum Alloy 2024 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-670-8249, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc. Government technical data includes 25 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 10 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-670-8249
Primary Part Number555-24
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerMas Components & Coatings, Llc Dba Mas Components & Coatings Llc
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End0.130 INCHES SECOND END IN
Mounting Hole Thread Series DesignatorUNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END
Mounting Hole Nominal Diameter0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Pressure Angle20.0000 DEGREES
Surface TreatmentANODIZE OVERALL
Mounting Hole Nominal Thread Size0.086 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Nominal Outside Diameter0.600 INCHES IN
Hub Nominal Diameter0.440 INCHES FIRST END IN
Face Nominal Width0.130 INCHES IN
Body StylePLAIN, SOLID
Teeth Quantity27
Attachment MethodMOUNTING HOLE
MaterialALUMINUM ALLOY 2024 OVERALL
Hub Nominal Diameter0.380 INCHES SECOND END IN
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Type and Quantity1 PLAIN AND 1 THREADED TRANSVERSELY THROUGH HUB FIRST END
Hub Style DesignatorPLAIN BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End0.240 INCHES FIRST END IN
Bore Nominal Diameter0.248 INCHES BOTH ENDS IN
Pitch Diameter0.5630 INCHES NOMINAL IN
Style DesignatorPROTRUDING HUBS
Bore StylePLAIN BOTH ENDS
Backlash DesignationGRADE C
Tooth FormSTANDARD
Precision ClassificationQUALITY NUMBER 10
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 10
2920-00-255-41941125110B INTERCHANGEABLE
Rotor,ignition Distributor
Hyster-Yale Group, Inc. Dba Yale Materials Handling
9535-00-277-7425 INTERCHANGEABLE
Sheet,metal
3110-00-554-3295 INTERCHANGEABLE
Bearing,ball,annular
3040-00-600-2883SM-B-69383 INTERCHANGEABLE
Lever,manual Control
Us Army Communications & Electronics Materiel Readiness Command Logistics Engineering Dir
3455-00-717-3396B24-4 INTERCHANGEABLE
Cutter,milling,end
Talbot Holdings Ltd
2915-00-991-7567 INTERCHANGEABLE
Retainer,idle
5999-01-022-07081219-555-24 INTERCHANGEABLE
Heater,thermal Release
Bae Systems Information and Electronic Systems Integration Inc.
5325-01-273-64403759-4CN375 INTERCHANGEABLE
Insert,screw Thread
Stanley Engineered Fastening Llc
5340-01-325-5711 INTERCHANGEABLE
Slide,drawer,extension
5935-01-729-367755524 INTERCHANGEABLE
Cover,electrical Connector
Logos Imaging Llc
Cross-Reference Index
Part NumberManufacturer
555-24 PRIMARY Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc (USA)
555-24 Alliant Defense Electronics Systems Inc Dba Lundy Technical Center (USA)
555-24 Kilgore Flares Company Llc (USA)
Related Parts
2920-00-255-4194INTERCHANGEABLE
ROTOR,IGNITION DISTRIBUTOR
1125110B
9535-00-277-7425INTERCHANGEABLE
SHEET,METAL
3110-00-554-3295INTERCHANGEABLE
BEARING,BALL,ANNULAR
3040-00-600-2883INTERCHANGEABLE
LEVER,MANUAL CONTROL
SM-B-69383
3455-00-717-3396INTERCHANGEABLE
CUTTER,MILLING,END
B24-4
2915-00-991-7567INTERCHANGEABLE
RETAINER,IDLE
5999-01-022-0708INTERCHANGEABLE
HEATER,THERMAL RELEASE
1219-555-24
5325-01-273-6440INTERCHANGEABLE
INSERT,SCREW THREAD
3759-4CN375
5340-01-325-5711INTERCHANGEABLE
SLIDE,DRAWER,EXTENSION
5935-01-729-3677INTERCHANGEABLE
COVER,ELECTRICAL CONNECTOR
55524

Frequently Asked Questions

What is NSN 3020-00-670-8249?

NSN 3020-00-670-8249 is a Gear,spur, manufactured by Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-670-8249?

NSN 3020-00-670-8249 has 3 cross-referenced part numbers: 555-24 (Mas Components & Coatings, Llc Dba Mas Components & Coatings Llc), 555-24 (Alliant Defense Electronics Systems Inc Dba Lundy Technical Center), 555-24 (Kilgore Flares Company Llc).

What NSN replaces 3020-00-670-8249?

There are 10 known substitutes for 3020-00-670-8249: 2920-00-255-4194, 9535-00-277-7425, 3110-00-554-3295 and 7 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 555-24?

Key specifications for 555-24: Nominal Distance Between Body Face and Protruding Hub End: 0.130 INCHES SECOND END IN; Mounting Hole Thread Series Designator: UNIFIED NATIONAL COARSE (UNC) TRANSVERSELY THROUGH HUB FIRST END; Mounting Hole Nominal Diameter: 0.078 INCHES TRANSVERSELY THROUGH HUB FIRST END IN; Pressure Angle: 20.0000 DEGREES. 25 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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