PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3331242APC27Gear,spur

Naval Sea Systems Command · NSN 3020-01-064-5597 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-064-5597 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-064-5597. Primary manufacturer part number: 3331242APC27.
Features
  • Gear,spur — FSC 3020
  • Bore Style: PLAIN BOTH ENDS
  • Style Designator: PROTRUDING HUB
  • Tooth Form: STANDARD
  • Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN
  • Nominal Outside Diameter: 1.208 INCHES IN
  • Material Document and Classification: MIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
  • Mounting Hole Nominal Diameter: 0.094 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Copper Alloy Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-01-064-5597, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Naval Sea Systems Command. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 5 commercial cross-references from 4 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-01-064-5597
Primary Part Number3331242APC27
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Bore StylePLAIN BOTH ENDS
Style DesignatorPROTRUDING HUB
Tooth FormSTANDARD
Nominal Distance Between Body Face and Protruding Hub End0.250 INCHES FIRST END IN
Nominal Outside Diameter1.208 INCHES IN
Material Document and ClassificationMIL-B-994 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Mounting Hole Nominal Diameter0.094 INCHES TRANSVERSELY THROUGH HUB FIRST END IN
Hub Nominal Diameter0.750 INCHES FIRST END IN
MaterialCOPPER ALLOY OVERALL
Pressure Angle14.5000 DEGREES
Bore Nominal Diameter0.500 INCHES BOTH ENDS IN
Hub Style DesignatorPINNED FIRST END
Face Nominal Width0.375 INCHES IN
Teeth Quantity27
Pitch Diameter1.1250 INCHES NOMINAL IN
Body StylePLAIN, SOLID
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5998-00-001-9466K134 INTERCHANGEABLE
Circuit Card Assembly
Compaq Federal Llc
6320-00-225-7013 INTERCHANGEABLE
Transmitter,propeller Revolution
4320-00-446-1754KC66W400-119 INTERCHANGEABLE
Parts Kit,liquid Dispensing Pump
Eaton Aerospace, Llc Dba Jackson South
4820-00-490-9576K134 INTERCHANGEABLE
Seat,valve
Clayton Manufacturing Company
5961-00-675-4538 INTERCHANGEABLE
Transistor
3020-01-064-6126K136 INTERCHANGEABLE
Gear,spur
Dynalec Corporation
3020-01-064-73233331242APC30 INTERCHANGEABLE
Gear,helical
Naval Sea Systems Command
3020-01-064-7324K1385 INTERCHANGEABLE
Gear,spur
Dynalec Corporation
3020-01-064-73252A9-58 INTERCHANGEABLE
Gear,spur
Dynalec Corporation
3020-01-065-2045 INTERCHANGEABLE
Gear,helical
Cross-Reference Index
Part NumberManufacturer
K134 Dynalec Corporation (USA)
3331242 Naval Sea Systems Command (USA)
K134 The Electric Tachometer Corp. (USA)
3331242APC27 PRIMARY Naval Sea Systems Command (USA)
K134 Gyro Systems Co Inc (USA)
Related Parts
5998-00-001-9466INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
K134
6320-00-225-7013INTERCHANGEABLE
TRANSMITTER,PROPELLER REVOLUTION
4320-00-446-1754INTERCHANGEABLE
PARTS KIT,LIQUID DISPENSING PUMP
KC66W400-119
4820-00-490-9576INTERCHANGEABLE
SEAT,VALVE
K134
5961-00-675-4538INTERCHANGEABLE
TRANSISTOR
3020-01-064-6126INTERCHANGEABLE
GEAR,SPUR
K136
3020-01-064-7323INTERCHANGEABLE
GEAR,HELICAL
3331242APC30
3020-01-064-7324INTERCHANGEABLE
GEAR,SPUR
K1385
3020-01-064-7325INTERCHANGEABLE
GEAR,SPUR
2A9-58
3020-01-065-2045INTERCHANGEABLE
GEAR,HELICAL
3020-01-079-2146INTERCHANGEABLE
GEAR,HELICAL
K154
3020-01-079-8304INTERCHANGEABLE
GEAR,HELICAL
KI53

Frequently Asked Questions

What is NSN 3020-01-064-5597?

NSN 3020-01-064-5597 is a Gear,spur, manufactured by Naval Sea Systems Command, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-01-064-5597?

NSN 3020-01-064-5597 has 5 cross-referenced part numbers: K134 (Dynalec Corporation), 3331242 (Naval Sea Systems Command), K134 (The Electric Tachometer Corp.), 3331242APC27 (Naval Sea Systems Command), K134 (Gyro Systems Co Inc).

What NSN replaces 3020-01-064-5597?

There are 12 known substitutes for 3020-01-064-5597: 5998-00-001-9466, 6320-00-225-7013, 4320-00-446-1754 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3331242APC27?

Key specifications for 3331242APC27: Bore Style: PLAIN BOTH ENDS; Style Designator: PROTRUDING HUB; Tooth Form: STANDARD; Nominal Distance Between Body Face and Protruding Hub End: 0.250 INCHES FIRST END IN. 16 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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