PartsTable TECHNICAL DATA SHEET

NSN 3020-01-256-8947Government record, cited

Gear, Spur3020-01-256-8947

NSN 3020-01-256-8947 · NIIN 012568947 · Part number 950630

Calgon Carbon Uv Technologies Llc Dba Hyde Marine · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 29899

Government record, cited

NSN 3020-01-256-8947 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-256-8947. Manufacturer of record part number: 950630.

Also searched as 3020-01-256-8947 · 3020012568947 · NIIN 012568947 · 01-256-8947 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 29899 · 950630 · 20802 SEQUENCE 10

Nearby stock numbers ← 3020-01-256-8946 Gear, Spur · 3020-01-256-8948 Gear, Spur →

Features

Gear,spur — FSC 3020
Keyway Nominal Width: 0.500 INCHES BOTH ENDS IN
Bore Nominal Diameter: 2.000 INCHES BOTH ENDS IN
Hub Nominal Diameter: 3.125 INCHES FIRST END IN
Teeth Quantity: 21
Body Style: WEBBED, OFFSET, SOLID
Bore Style: W/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End: 0.984 INCHES FIRST END IN

Identification

NSN: 3020-01-256-8947
NIIN: 012568947
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 950630
Manufacturer: Calgon Carbon Uv Technologies Llc Dba Hyde Marine

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-256-8947, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Calgon Carbon Uv Technologies Llc Dba Hyde Marine. Government technical data includes 16 specifications, cited from the U.S. Government catalog. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-256-8947
Primary Part Number	950630
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Calgon Carbon Uv Technologies Llc Dba Hyde Marine
Status	ACTIVE
Keyway Nominal Width	0.500 INCHES BOTH ENDS IN
Bore Nominal Diameter	2.000 INCHES BOTH ENDS IN
Hub Nominal Diameter	3.125 INCHES FIRST END IN
Teeth Quantity	21
Body Style	WEBBED, OFFSET, SOLID
Bore Style	W/ KEYWAY BOTH ENDS
Nominal Distance Between Body Face and Protruding Hub End	0.984 INCHES FIRST END IN
Style Designator	PROTRUDING HUB
Pitch Diameter	3.5000 INCHES NOMINAL IN
Hub Style Designator	PLAIN FIRST END
Nominal Outside Diameter	3.833 INCHES IN
Nominal Distance From Bore Center to Keyway Bottom	1.250 INCHES BOTH ENDS IN
Surface Treatment	PASSIVATE OVERALL
Pressure Angle	14.5000 DEGREES
Material	STEEL CORROSION RESISTING OVERALL
Face Nominal Width	2.266 INCHES IN

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	X

Cross-Reference Index

Part Number	Manufacturer
950630 PRIMARY	Calgon Carbon Uv Technologies Llc Dba Hyde Marine (USA)

Reference documents

Reference	Meaning
20802 SEQUENCE 10	D/9 Drawing number reference only Calgon Carbon Uv Technologies Llc Dba Hyde Marine

No interchangeability data on file.

Other items in FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain

Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.

3020-00-000-0091

GEAR,SPUR

3020-00-001-0027

3020-00-001-0027 · Item name not on file

3020-00-001-0028

3020-00-001-0028 · Item name not on file

3020-00-001-0063

3020-00-001-0063 · Item name not on file

3020-00-001-0064

3020-00-001-0064 · Item name not on file

3020-00-001-0066

3020-00-001-0066 · Item name not on file

3020-00-001-0071

3020-00-001-0071 · Item name not on file

3020-00-001-0072

3020-00-001-0072 · Item name not on file

Frequently Asked Questions

What is NSN 3020-01-256-8947?

NSN 3020-01-256-8947 is a Gear,spur, manufactured by Calgon Carbon Uv Technologies Llc Dba Hyde Marine, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-256-8947?

NSN 3020-01-256-8947 has 1 manufacturer part number on file: 950630 (Calgon Carbon Uv Technologies Llc Dba Hyde Marine).

What are the specifications of 950630?

Key specifications for 950630: Keyway Nominal Width: 0.500 INCHES BOTH ENDS IN; Bore Nominal Diameter: 2.000 INCHES BOTH ENDS IN; Hub Nominal Diameter: 3.125 INCHES FIRST END IN; Teeth Quantity: 21. 16 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-256-8947 hazardous material?

No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.

Sources

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.

U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.

✓ Data cited from the U.S. Government catalog; commercial cross-references from OEM and certified industry sources.

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