Gear, Spur3020-01-055-2191

NSN 3020-01-055-2191 · NIIN 010552191

FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment

Government record, cited

Also searched as 3020-01-055-2191 · 3020010552191 · NIIN 010552191 · 01-055-2191 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-055-2190 Gear, Internal · 3020-01-055-3347 Gear Assembly, Worm →

Features

Gear,spur — FSC 3020
Teeth Quantity: 20
Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Body Style: PLAIN, SOLID
Style Designator: HUBLESS
Material Document and Classification: MIL-S-46850 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter: 1.0000 INCHES NOMINAL IN
Tooth Form: STANDARD

Identification

NSN: 3020-01-055-2191
NIIN: 010552191
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,spur, cataloged under National Stock Number 3020-01-055-2191, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 11 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog.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	3020-01-055-2191
Item Name	Gear,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Teeth Quantity	20
Surface Treatment Document and Classification	MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE BODY
Body Style	PLAIN, SOLID
Style Designator	HUBLESS
Material Document and Classification	MIL-S-46850 MIL SPEC SINGLE MATERIAL RESPONSE OVERALL
Pitch Diameter	1.0000 INCHES NOMINAL IN
Tooth Form	STANDARD
Nominal Outside Diameter	1.069 INCHES IN
Surface Treatment	OXIDE BODY
Pressure Angle	20.0000 DEGREES
Material	STEEL OVERALL

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

No manufacturer part numbers on file in the U.S. Government catalog.

Reference documents

Reference	Meaning
1647131-1	3/2 Design control — primary reference U.S. Government activity

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 3020-01-055-2191?

NSN 3020-01-055-2191 is a Gear,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-055-2191?

Key specifications for 3020-01-055-2191: Teeth Quantity: 20; Surface Treatment Document and Classification: MIL-C-13924 MIL SPEC SINGLE TREATMENT RESPONSE BODY; Body Style: PLAIN, SOLID; Style Designator: HUBLESS. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-055-2191 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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