PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

124-4322651 PC 30Gear,spur

Naval Sea Systems Command · NSN 3020-01-470-5757 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-01-470-5757 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-470-5757. Primary manufacturer part number: 124-4322651 PC 30.
Features
  • Gear,spur — FSC 3020
  • Pitch Diameter: 2.1250 INCHES NOMINAL IN
  • Pressure Angle: 20.0000 DEGREES
  • Face Nominal Width: 1.000 INCHES IN
  • Material: COPPER ALLOY OVERALL
  • Bore Nominal Diameter: 1.000 INCHES BOTH ENDS IN
  • Style Designator: HUBLESS
  • Material Document and Classification: MIL-B-16522 CL-1 MIL SPEC SINGLE MATERIAL RESPONSE HUB
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 3020-01-470-5757, 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 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 1 manufacturer, 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
NSN3020-01-470-5757
Primary Part Number124-4322651 PC 30
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerNaval Sea Systems Command
StatusACTIVE
Pitch Diameter2.1250 INCHES NOMINAL IN
Pressure Angle20.0000 DEGREES
Face Nominal Width1.000 INCHES IN
MaterialCOPPER ALLOY OVERALL
Bore Nominal Diameter1.000 INCHES BOTH ENDS IN
Style DesignatorHUBLESS
Material Document and ClassificationMIL-B-16522 CL-1 MIL SPEC SINGLE MATERIAL RESPONSE HUB
Nominal Outside Diameter2.325 INCHES IN
Teeth Quantity17
Body StylePLAIN, SOLID
Tooth FormSTUB
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5315-01-470-2463124-4322652 PC 10 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5315-01-470-2480124-4322652 PC 63 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5315-01-470-2519124-4322652 PC 92 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
4730-01-470-5848124-4322652 PC 66 INTERCHANGEABLE
Socket End
Naval Sea Systems Command
4030-01-470-5851124-4322652 PC 64 INTERCHANGEABLE
Socket,clevis
Naval Sea Systems Command
5315-01-473-7766124-4322652 PC 70 INTERCHANGEABLE
Pin,cotter
Naval Sea Systems Command
5315-01-474-9095124-4322651 PC 33 INTERCHANGEABLE
Pin,cotter
Naval Sea Systems Command
5315-01-476-4788124-4322651 PC 10 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5315-01-476-4789124-4322651 PC 94 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
5315-01-479-0987124-4322651 PC 63 INTERCHANGEABLE
Pin,tapered,plain
Naval Sea Systems Command
Cross-Reference Index
Part NumberManufacturer
124-4322652 Naval Sea Systems Command (USA)
124-4322651 PC 30 PRIMARY Naval Sea Systems Command (USA)
124-4322651 Naval Sea Systems Command (USA)
124-4322652 PC 30 PRIMARY Naval Sea Systems Command (USA)
Related Parts
5315-01-470-2463INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322652 PC 10
5315-01-470-2480INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322652 PC 63
5315-01-470-2519INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322652 PC 92
4730-01-470-5848INTERCHANGEABLE
SOCKET END
124-4322652 PC 66
4030-01-470-5851INTERCHANGEABLE
SOCKET,CLEVIS
124-4322652 PC 64
5315-01-473-7766INTERCHANGEABLE
PIN,COTTER
124-4322652 PC 70
5315-01-474-9095INTERCHANGEABLE
PIN,COTTER
124-4322651 PC 33
5315-01-476-4788INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322651 PC 10
5315-01-476-4789INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322651 PC 94
5315-01-479-0987INTERCHANGEABLE
PIN,TAPERED,PLAIN
124-4322651 PC 63
3020-01-486-8349INTERCHANGEABLE
PULLEY,GROOVE
124-4322651 PC 100
3040-01-487-8480INTERCHANGEABLE
SPINDLE,MECHANICALLY ACTUATED
124-4322648 PC 32

Frequently Asked Questions

What is NSN 3020-01-470-5757?

NSN 3020-01-470-5757 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 3020-01-470-5757?

NSN 3020-01-470-5757 has 4 cross-referenced part numbers: 124-4322652 (Naval Sea Systems Command), 124-4322651 PC 30 (Naval Sea Systems Command), 124-4322651 (Naval Sea Systems Command), 124-4322652 PC 30 (Naval Sea Systems Command).

What NSN replaces 3020-01-470-5757?

There are 12 known substitutes for 3020-01-470-5757: 5315-01-470-2463, 5315-01-470-2480, 5315-01-470-2519 and 9 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 124-4322651 PC 30?

Key specifications for 124-4322651 PC 30: Pitch Diameter: 2.1250 INCHES NOMINAL IN; Pressure Angle: 20.0000 DEGREES; Face Nominal Width: 1.000 INCHES IN; Material: COPPER ALLOY OVERALL. 13 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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