PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3057Gear,spur

Dynalec Corporation · NSN 3020-00-468-3288 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-468-3288 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-468-3288. Primary manufacturer part number: 3057.
Features
  • Gear,spur — FSC 3020
  • Teeth Quantity: 64
  • Counterbore Nominal Depth: 0.125 INCHES COUNTER BORE SECOND END IN
  • Style Designator: PROTRUDING HUB
  • Bore Style: W/COUNTERBORE COUNTER BORE SECOND END
  • Counterbore Nominal Diameter: 0.375 INCHES COUNTER BORE SECOND END IN
  • Pressure Angle: 14.5000 DEGREES
  • Hub Style Designator: PINNED FIRST END
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 3020-00-468-3288, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is Dynalec Corporation. Government technical data includes 16 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 9 commercial cross-references from 2 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
NSN3020-00-468-3288
Primary Part Number3057
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerDynalec Corporation
StatusACTIVE
Teeth Quantity64
Counterbore Nominal Depth0.125 INCHES COUNTER BORE SECOND END IN
Style DesignatorPROTRUDING HUB
Bore StyleW/COUNTERBORE COUNTER BORE SECOND END
Counterbore Nominal Diameter0.375 INCHES COUNTER BORE SECOND END IN
Pressure Angle14.5000 DEGREES
Hub Style DesignatorPINNED FIRST END
Nominal Distance Between Body Face and Protruding Hub End0.312 INCHES FIRST END IN
Hub Nominal Diameter0.500 INCHES FIRST END IN
Bore Nominal Diameter0.187 INCHES COUNTER BORE SECOND END IN
Nominal Outside Diameter2.062 INCHES IN
MaterialCOPPER ALLOY OVERALL
Tooth FormSTANDARD
Face Nominal Width0.188 INCHES IN
Body StylePLAIN, SOLID
Pitch Diameter2.0000 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
4820-00-057-2380 INTERCHANGEABLE
Disk,valve
5340-00-276-58473057 INTERCHANGEABLE
Plug,expansion
Cnh Industrial America Llc Dba Cnh America
5120-00-293-20625120-00-293-2062 INTERCHANGEABLE
Bit,screwdriver
General Services Administration Federal Supply Service
5970-00-525-8829PMT-17-6M2 INTERCHANGEABLE
Insulator,standoff
Armel De Llc Dba Armel Electronics
6625-00-719-47701200011P2 INTERCHANGEABLE
Oscilloscope
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
1630-00-773-7657305-7 INTERCHANGEABLE
Parts Kit,wheel,fie
Goodrich Corporation
5935-00-988-0182335C636H03 INTERCHANGEABLE
Connector,plug,electrical
Northrop Grumman Support Services Corp
4820-01-022-7766 INTERCHANGEABLE
Parts Kit,butterfly Valve
5325-01-098-60123057 INTERCHANGEABLE
Ring,retaining
DP Manufacturing Inc.
6530-01-099-1101 INTERCHANGEABLE
Urinary Drainage Set
Cross-Reference Index
Part NumberManufacturer
2179APC53 The Electric Tachometer Corp. (USA)
3057 The Electric Tachometer Corp. (USA)
3057 PRIMARY Dynalec Corporation (USA)
3053 The Electric Tachometer Corp. (USA)
2179HL17PC53 The Electric Tachometer Corp. (USA)
R4-53 PRIMARY Dynalec Corporation (USA)
R4-53 The Electric Tachometer Corp. (USA)
1049APC53 The Electric Tachometer Corp. (USA)
2179HL6PC53 The Electric Tachometer Corp. (USA)
Related Parts
4820-00-057-2380INTERCHANGEABLE
DISK,VALVE
5340-00-276-5847INTERCHANGEABLE
PLUG,EXPANSION
3057
5120-00-293-2062INTERCHANGEABLE
BIT,SCREWDRIVER
5120-00-293-2062
5970-00-525-8829INTERCHANGEABLE
INSULATOR,STANDOFF
PMT-17-6M2
6625-00-719-4770INTERCHANGEABLE
OSCILLOSCOPE
1200011P2
1630-00-773-7657INTERCHANGEABLE
PARTS KIT,WHEEL,FIE
305-7
5935-00-988-0182INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
335C636H03
4820-01-022-7766INTERCHANGEABLE
PARTS KIT,BUTTERFLY VALVE
5325-01-098-6012INTERCHANGEABLE
RING,RETAINING
3057
6530-01-099-1101INTERCHANGEABLE
URINARY DRAINAGE SET
4730-01-173-4169INTERCHANGEABLE
PLUG,PIPE
2191430-060
6210-01-264-9583INTERCHANGEABLE
LIGHT,INDICATOR
3057

Frequently Asked Questions

What is NSN 3020-00-468-3288?

NSN 3020-00-468-3288 is a Gear,spur, manufactured by Dynalec Corporation, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-468-3288?

NSN 3020-00-468-3288 has 9 cross-referenced part numbers: 2179APC53 (The Electric Tachometer Corp.), 3057 (The Electric Tachometer Corp.), 3057 (Dynalec Corporation), 3053 (The Electric Tachometer Corp.), 2179HL17PC53 (The Electric Tachometer Corp.) and 4 more.

What NSN replaces 3020-00-468-3288?

There are 12 known substitutes for 3020-00-468-3288: 4820-00-057-2380, 5340-00-276-5847, 5120-00-293-2062 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 3057?

Key specifications for 3057: Teeth Quantity: 64; Counterbore Nominal Depth: 0.125 INCHES COUNTER BORE SECOND END IN; Style Designator: PROTRUDING HUB; Bore Style: W/COUNTERBORE COUNTER BORE SECOND END. 17 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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