PartsTable TECHNICAL DATA SHEET

NSN 3020-01-505-6652Government record, cited

Gear, Worm3020-01-505-6652

NSN 3020-01-505-6652 · NIIN 015056652 · Part number 4D98025H01

Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 04808

Government record, cited

NSN 3020-01-505-6652 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-505-6652. Manufacturer of record part number: 4D98025H01.

Also searched as 3020-01-505-6652 · 3020015056652 · NIIN 015056652 · 01-505-6652 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 04808 · 4D98025H01 · 4D98036 · 4D98046 · 4D98025H01/4D98036 · 4D98024 ITEM 4

Nearby stock numbers ← 3020-01-505-5730 Gear, Bevel · 3020-01-505-6764 Gear, Drive Motion →

Features

Gear,worm — FSC 3020
3 manufacturer part numbers on file
Manufacturer of record: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

Identification

NSN: 3020-01-505-6652
NIIN: 015056652
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 4D98025H01
Manufacturer: Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

General Description

The Gear,worm, cataloged under National Stock Number 3020-01-505-6652, 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 Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd. The record lists 3 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 3 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 9 items share a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.

Catalog Facts

Item Name	Gear,worm
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers	Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (CAGE 04808)

Technical Specifications

Parameter	Value
NSN	3020-01-505-6652
Primary Part Number	4D98025H01
Item Name	Gear,worm
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
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

⇄ Related Items 9

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

3120-01-505-76368576C08H02 POSSIBLE MATCH

BEARING,SLEEVE

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

3120-01-505-76678575C32H01 POSSIBLE MATCH

BEARING,WASHER,THRUST

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

4730-01-505-76744397B92H02 POSSIBLE MATCH

FITTING,LUBRICATION

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

5310-01-505-77474540B93H02 POSSIBLE MATCH

WASHER,KEY

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

5310-01-505-77544541B17H02 POSSIBLE MATCH

WASHER,RECESSED

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

4730-01-505-86014D98166G01 POSSIBLE MATCH

MANIFOLD,HYDRAULIC SYSTEM ACCESS

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

5342-01-505-87164D98024G02 POSSIBLE MATCH

MOUNT,RESILIENT,WEAPON SYSTEM

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

3120-01-505-87358575C35H02 POSSIBLE MATCH

BEARING,SLEEVE

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

3040-01-506-04018576C40H02 POSSIBLE MATCH

CONNECTING LINK,RIGID

Possible match (shared part number)Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

Cross-Reference Index

Part Number	Manufacturer
4D98025H01 PRIMARY	Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)
4D98025H01/4D98036	Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)
4D98024 ITEM 4	Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd (USA)

Reference documents

Reference	Meaning
4D98036	D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
4D98046	C/1 Advisory reference — outside the item-of-supply concept Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd
4D98024	D/9 Drawing number reference only Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd

Related Parts

3120-01-505-7636POSSIBLE MATCH

BEARING,SLEEVE

8576C08H02

3120-01-505-7667POSSIBLE MATCH

BEARING,WASHER,THRUST

8575C32H01

4730-01-505-7674POSSIBLE MATCH

FITTING,LUBRICATION

4397B92H02

5310-01-505-7747POSSIBLE MATCH

WASHER,KEY

4540B93H02

5310-01-505-7754POSSIBLE MATCH

WASHER,RECESSED

4541B17H02

4730-01-505-8601POSSIBLE MATCH

MANIFOLD,HYDRAULIC SYSTEM ACCESS

4D98166G01

5342-01-505-8716POSSIBLE MATCH

MOUNT,RESILIENT,WEAPON SYSTEM

4D98024G02

3120-01-505-8735POSSIBLE MATCH

BEARING,SLEEVE

8575C35H02

3040-01-506-0401POSSIBLE MATCH

CONNECTING LINK,RIGID

8576C40H02

Frequently Asked Questions

What is NSN 3020-01-505-6652?

NSN 3020-01-505-6652 is a Gear,worm, manufactured by Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-505-6652?

NSN 3020-01-505-6652 has 3 manufacturer part numbers on file: 4D98025H01 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D98025H01/4D98036 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd), 4D98024 ITEM 4 (Curtiss-Wright Electro-Mechanical Corporation Div Curtiss-Wright Emd).

What NSN replaces 3020-01-505-6652?

9 possible matches (shared part number, not a government interchangeability claim): 3120-01-505-7636, 3120-01-505-7667, 4730-01-505-7674. Verify interchangeability with system specifications before substitution.

Is NSN 3020-01-505-6652 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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