Gear Sector, Spur3020-01-321-0104

NSN 3020-01-321-0104 · NIIN 013210104

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

Government record, cited

Also searched as 3020-01-321-0104 · 3020013210104 · NIIN 013210104 · 01-321-0104 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain

Nearby stock numbers ← 3020-01-321-0103 Gear, Spur · 3020-01-321-1436 →

Features

Gear Sector,spur — FSC 3020
Teeth Quantity: 309
Nominal Outside Radius: 1.728 INCHES IN
Style Designator: HUBLESS
Pitch Radius: 1.7160 INCHES MINIMUM AND 1.7170 INCHES MAXIMUM IN
Pressure Angle: 14.5000 DEGREES
Face Nominal Width: 0.005 INCHES IN

Identification

NSN: 3020-01-321-0104
NIIN: 013210104
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment

General Description

The Gear Sector,spur, cataloged under National Stock Number 3020-01-321-0104, is classified within Federal Supply Class 3020 (Gears, Pulleys, Sprockets, and Transmission Chain) of the Mechanical Power Transmission Equipment group. Government technical data includes 6 specifications, cited from the U.S. Government catalog. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-321-0104
Item Name	Gear Sector,spur
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Status	ACTIVE
Teeth Quantity	309
Nominal Outside Radius	1.728 INCHES IN
Style Designator	HUBLESS
Pitch Radius	1.7160 INCHES MINIMUM AND 1.7170 INCHES MAXIMUM IN
Pressure Angle	14.5000 DEGREES
Face Nominal Width	0.005 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

⇄ Related Items 1

Each row states its source: a government interchangeability/replacement code, or a possible match on a shared part number.

5330-01-431-8766202084 POSSIBLE MATCH

GASKET

Possible match (shared part number)Parker-Hannifin Corporation Dba Refrigeration Specialties Div Refrigerating Specialties Division

Cross-Reference Index

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

Reference documents

Reference	Meaning
202084	3/2 Design control — primary reference U.S. Government activity

Related Parts

5330-01-431-8766POSSIBLE MATCH

GASKET

202084

Frequently Asked Questions

What is NSN 3020-01-321-0104?

NSN 3020-01-321-0104 is a Gear Sector,spur, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What NSN replaces 3020-01-321-0104?

1 possible match (shared part number, not a government interchangeability claim): 5330-01-431-8766. Verify interchangeability with system specifications before substitution.

What are the specifications of 3020-01-321-0104?

Key specifications for 3020-01-321-0104: Teeth Quantity: 309; Nominal Outside Radius: 1.728 INCHES IN; Style Designator: HUBLESS; Pitch Radius: 1.7160 INCHES MINIMUM AND 1.7170 INCHES MAXIMUM IN. 6 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-321-0104 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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