PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

58621Gear,spur

H20 Tank Inc U S Motors Div · NSN 3020-00-270-3694 · FSC 3020 · No Item Name Available
Verified by PartsTable
NSN 3020-00-270-3694 — this item is cataloged by the U.S. Government under National Stock Number 3020-00-270-3694. Primary manufacturer part number: 58621.
Features
  • Gear,spur — FSC 3020
  • Body Style: PLAIN, SOLID
  • Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
  • Tooth Form: STANDARD
  • Teeth Quantity: 81
  • Pitch Diameter: 13.5000 INCHES NOMINAL IN
  • Style Designator: HUBLESS
  • Face Nominal Width: 0.750 INCHES IN
Applications
  • Power transmission and speed reduction
  • Rotary motion transfer
  • Torque multiplication
  • Applications requiring Steel Comp 1045 Overall construction
General Description

The Gear,spur, cataloged under National Stock Number 3020-00-270-3694, is classified within Federal Supply Class 3020 (No Item Name Available) of the Mechanical Power Transmission Equipment group. The primary manufacturer of record is H20 Tank Inc U S Motors Div. Government technical data includes 13 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 7 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN3020-00-270-3694
Primary Part Number58621
Item NameGear,spur
FSC / FSG3020 / 30 — No Item Name Available
ManufacturerH20 Tank Inc U S Motors Div
StatusACTIVE
Body StylePLAIN, SOLID
Material Document and Classification66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL
Tooth FormSTANDARD
Teeth Quantity81
Pitch Diameter13.5000 INCHES NOMINAL IN
Style DesignatorHUBLESS
Face Nominal Width0.750 INCHES IN
MaterialSTEEL COMP 1045 OVERALL
Pressure Angle20.0000 DEGREES
Bore StylePLAIN BOTH ENDS
Bore Nominal Diameter12.2300 INCHES BOTH ENDS IN
Nominal Outside Diameter13.7250 INCHES IN
Hardness Rating43.0 ROCKWELL C MINIMUM AND 49.0 ROCKWELL C MAXIMUM OVERALL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 7
4520-00-624-763358621 INTERCHANGEABLE
Plate,handle
Hdt Expeditionary Systems Inc
2920-01-012-971310465-1-230 INTERCHANGEABLE
Wire,ignition
Champion Aerospace Llc
2910-01-197-205658622-9 INTERCHANGEABLE
Nozzle,ejector Assembly,air
DC Fabricators Inc
4320-01-197-205758622-16 INTERCHANGEABLE
Diffuser,ejector Assembly,air
Patterson Pump Co Div Patterson Pump Company
2910-01-197-205858623-33 INTERCHANGEABLE
Nozzle,ejector Assembly,air
DC Fabricators Inc
4730-01-197-212258622-6 INTERCHANGEABLE
Strainer Element,sediment
Patterson Pump Co Div Patterson Pump Company
4730-01-197-212358623-30 INTERCHANGEABLE
Strainer Element,sediment
Patterson Pump Co Div Patterson Pump Company
Cross-Reference Index
Part NumberManufacturer
GD181C401 Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc (USA)
58621 PRIMARY H20 Tank Inc U S Motors Div (USA)
Related Parts
4520-00-624-7633INTERCHANGEABLE
PLATE,HANDLE
58621
2920-01-012-9713INTERCHANGEABLE
WIRE,IGNITION
10465-1-230
2910-01-197-2056INTERCHANGEABLE
NOZZLE,EJECTOR ASSEMBLY,AIR
58622-9
4320-01-197-2057INTERCHANGEABLE
DIFFUSER,EJECTOR ASSEMBLY,AIR
58622-16
2910-01-197-2058INTERCHANGEABLE
NOZZLE,EJECTOR ASSEMBLY,AIR
58623-33
4730-01-197-2122INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
58622-6
4730-01-197-2123INTERCHANGEABLE
STRAINER ELEMENT,SEDIMENT
58623-30

Frequently Asked Questions

What is NSN 3020-00-270-3694?

NSN 3020-00-270-3694 is a Gear,spur, manufactured by H20 Tank Inc U S Motors Div, classified under FSC 3020 (No Item Name Available). Status: active.

What are the part numbers for NSN 3020-00-270-3694?

NSN 3020-00-270-3694 has 2 cross-referenced part numbers: GD181C401 (Teledyne Continental Motors Industrial Products Div Teledyne Industries Inc Sub of Teledyne Inc), 58621 (H20 Tank Inc U S Motors Div).

What NSN replaces 3020-00-270-3694?

There are 7 known substitutes for 3020-00-270-3694: 4520-00-624-7633, 2920-01-012-9713, 2910-01-197-2056 and 4 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 58621?

Key specifications for 58621: Body Style: PLAIN, SOLID; Material Document and Classification: 66 FED STD SINGLE MATERIAL RESPONSE AND AISI/SAE 1045 ASSN STD SINGLE MATERIAL RESPONSE OVERALL; Tooth Form: STANDARD; Teeth Quantity: 81. 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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