PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

551-210SHS1248Gear,spur

Southern Gear & Machine Inc · NSN 3020-00-933-1174 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-933-1174 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-933-1174. Primary manufacturer part number: 551-210SHS1248.
Features
  • Gear,spur — FSC 3020
  • Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN
  • Face Nominal Width: 0.125 INCHES IN
  • Hub Nominal Diameter: 0.188 INCHES FIRST END IN
  • Teeth Quantity: 210
  • Clamping Surface Nominal Length: 0.250 INCHES FIRST END IN
  • Material Document and Classification: QQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
  • Nominal Outside Diameter: 2.208 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 303 Hub construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-933-1174, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Southern Gear & Machine Inc. Government technical data includes 21 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. 3 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-933-1174
Primary Part Number551-210SHS1248
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerSouthern Gear & Machine Inc
StatusACTIVE
Nominal Distance Between Body Face and Protruding Hub End0.125 INCHES FIRST END IN
Face Nominal Width0.125 INCHES IN
Hub Nominal Diameter0.188 INCHES FIRST END IN
Teeth Quantity210
Clamping Surface Nominal Length0.250 INCHES FIRST END IN
Material Document and ClassificationQQ-A-225/6,T4 FED SPEC SINGLE MATERIAL RESPONSE BODY
Nominal Outside Diameter2.208 INCHES IN
Surface Treatment Document and ClassificationMIL-F-14072,FINISH E300 MIL SPEC SINGLE TREATMENT RESPONSE HUB
Surface TreatmentANODIZE BODY
Bore StylePLAIN BOTH ENDS
Surface TreatmentPASSIVATE HUB
Body StylePLAIN, WITH LIGHTENING HOLES
Pitch Diameter2.1870 INCHES NOMINAL IN
MaterialSTEEL COMP 303 HUB
MaterialALUMINUM ALLOY 2024 BODY
Hub Style DesignatorSPLIT FIRST END
Material Document and ClassificationMIL-S-7720,COMP 303S MIL SPEC SINGLE MATERIAL RESPONSE HUB
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Pressure Angle20.0000 DEGREES
Bore Nominal Diameter0.125 INCHES BOTH ENDS IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 3
3030-00-064-8247 INTERCHANGEABLE
Belt,v
5950-00-314-3663004941 INTERCHANGEABLE
Reactor
Moog Inc Div Moog Inc., Space and Defense - Salt Lake City
5310-01-546-2278004941 INTERCHANGEABLE
Nut,plain,hexagon
Tru-Hitch, Inc.
Cross-Reference Index
Part NumberManufacturer
551-210SHS1248 PRIMARY Southern Gear & Machine Inc (USA)
10545434-1 Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate (USA)
00494-1 PRIMARY General Dynamics Motion Control Llc (USA)
Related Parts
3030-00-064-8247INTERCHANGEABLE
BELT,V
5950-00-314-3663INTERCHANGEABLE
REACTOR
004941
5310-01-546-2278INTERCHANGEABLE
NUT,PLAIN,HEXAGON
004941

Frequently Asked Questions

What is NSN 3020-00-933-1174?

NSN 3020-00-933-1174 is a Gear,spur, manufactured by Southern Gear & Machine Inc, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-933-1174?

NSN 3020-00-933-1174 has 3 cross-referenced part numbers: 551-210SHS1248 (Southern Gear & Machine Inc), 10545434-1 (Combat Capabilities Development Command (ccdc) Armaments Center Dba Ccdc Div Logistics Research and Engineering Directorate), 00494-1 (General Dynamics Motion Control Llc).

What NSN replaces 3020-00-933-1174?

There are 3 known substitutes for 3020-00-933-1174: 3030-00-064-8247, 5950-00-314-3663, 5310-01-546-2278. Verify interchangeability with system specifications before substitution.

What are the specifications of 551-210SHS1248?

Key specifications for 551-210SHS1248: Nominal Distance Between Body Face and Protruding Hub End: 0.125 INCHES FIRST END IN; Face Nominal Width: 0.125 INCHES IN; Hub Nominal Diameter: 0.188 INCHES FIRST END IN; Teeth Quantity: 210. 21 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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