Gear, Internal3020-01-071-9371

NSN 3020-01-071-9371 · NIIN 010719371

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

Government record, cited

Also searched as 3020-01-071-9371 · 3020010719371 · NIIN 010719371 · 01-071-9371 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · SM-C-890234 · SM-C-890234

Nearby stock numbers ← 3020-01-071-9151 Gear, Bevel · 3020-01-071-9378 →

Features

Gear,internal — FSC 3020
Teeth Quantity: 84
Body Style: PLAIN, SOLID
Flange Nominal Thickness: 0.1250 INCHES IN
Flange Nominal Diameter: 3.4380 INCHES IN
Teeth Type: SPUR
Style Designator: FLANGED RING
Pitch Diameter: 2.6250 INCHES NOMINAL IN

Identification

NSN: 3020-01-071-9371
NIIN: 010719371
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear,internal, cataloged under National Stock Number 3020-01-071-9371, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 12 specifications, cited from the U.S. Government catalog. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-071-9371
Item Name	Gear,internal
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Teeth Quantity	84
Body Style	PLAIN, SOLID
Flange Nominal Thickness	0.1250 INCHES IN
Flange Nominal Diameter	3.4380 INCHES IN
Teeth Type	SPUR
Style Designator	FLANGED RING
Pitch Diameter	2.6250 INCHES NOMINAL IN
Tooth Form	STANDARD
Nominal Outside Diameter	2.8460 INCHES IN
Surface Treatment	ANODIZE OVERALL
Pressure Angle	20.0000 DEGREES
Face Nominal Width	0.3750 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

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

Reference documents

Reference	Meaning
SM-C-890234	3/2 Design control — primary reference U.S. Government activity
SM-C-890234	5/9 Secondary reference Edo

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 3020-01-071-9371?

NSN 3020-01-071-9371 is a Gear,internal, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What are the specifications of 3020-01-071-9371?

Key specifications for 3020-01-071-9371: Teeth Quantity: 84; Body Style: PLAIN, SOLID; Flange Nominal Thickness: 0.1250 INCHES IN; Flange Nominal Diameter: 3.4380 INCHES IN. 12 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-071-9371 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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