Gear Assembly, Speed Decreaser3010-01-392-8403

NSN 3010-01-392-8403 · NIIN 013928403 · Part number 103-3019-20

Atec Inc · FSC 3010 — Torque Converters and Speed Changers · FSG 30 — Mechanical Power Transmission Equipment · CAGE 09552

Government record, cited

NSN 3010-01-392-8403 — this item is cataloged by the U.S. Government under National Stock Number 3010-01-392-8403. Manufacturer of record part number: 103-3019-20.

Also searched as 3010-01-392-8403 · 3010013928403 · NIIN 013928403 · 01-392-8403 · FSC 3010 Torque Converters and Speed Changers · CAGE 09552 · 103-3019-20

Nearby stock numbers ← 3010-01-392-7943 Coupling, Shaft, Flexible · 3010-01-392-8708 Coupling, Shaft, Flexible →

Features

Gear Assembly,speed Decreaser — FSC 3010
1 manufacturer part number on file
Manufacturer of record: Atec Inc

Identification

NSN: 3010-01-392-8403
NIIN: 013928403
FSC: 3010 — Torque Converters and Speed Changers
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 103-3019-20
Manufacturer: Atec Inc

General Description

The Gear Assembly,speed Decreaser, cataloged under National Stock Number 3010-01-392-8403, is classified within Federal Supply Class 3010 (Torque Converters and Speed Changers) of the Mechanical Power Transmission Equipment group. The manufacturer of record is Atec Inc. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3010-01-392-8403
Primary Part Number	103-3019-20
Item Name	Gear Assembly,speed Decreaser
FSC / FSG	3010 / 30 — Torque Converters and Speed Changers
Manufacturer	Atec Inc
Status	ACTIVE

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
103-3019-20 PRIMARY	Atec Inc (USA)

No interchangeability data on file.

Other items in FSC 3010 — Torque Converters and Speed Changers

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

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3010-00-010-0577 · Item name not on file

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-267-4959

GRIDMEMBER,COUPLING

3010-00-356-3346

CLUTCH ASSEMBLY,FRICTION

3010-00-395-0188

CLUTCH,DRUM

3010-00-395-0188

CLUTCH,DRUM

3010-00-395-0188

CLUTCH,DRUM

Frequently Asked Questions

What is NSN 3010-01-392-8403?

NSN 3010-01-392-8403 is a Gear Assembly,speed Decreaser, manufactured by Atec Inc, classified under FSC 3010, Torque Converters and Speed Changers. Status: active.

What part numbers are listed for NSN 3010-01-392-8403?

NSN 3010-01-392-8403 has 1 manufacturer part number on file: 103-3019-20 (Atec Inc).

What are the specifications of 103-3019-20?

Key specifications for 103-3019-20: Special Features: GEAR HAS 8.000 IN.OD; HOUSING 6.500 IN. BY 7.500 IN. IN. 0 specifications are documented in the U.S. Government catalog.

Is NSN 3010-01-392-8403 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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