Pulley, Groove3020-01-665-7954

NSN 3020-01-665-7954 · NIIN 016657954 · Part number 2AK49X 1 3/8

Emerson Electric Co Browning Mfg Div · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 71176

Government record, cited

NSN 3020-01-665-7954 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-665-7954. Manufacturer of record part number: 2AK49X 1 3/8.

Also searched as 3020-01-665-7954 · 3020016657954 · NIIN 016657954 · 01-665-7954 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 71176 · 2AK49X 1 3/8 · 3195377

Nearby stock numbers ← 3020-01-665-7946 Pulley, Groove · 3020-01-665-8172 Gear, Internal →

Features

Pulley,groove — FSC 3020
Integral Cooling Vane: NOT INCLUDED
Bore Feature: INCLUDED
Groove Shape: V
Outside Diameter: 4.75 INCHES NOMINAL IN
Style Designator: PLAIN
Pitch Diameter: 4.50 INCHES NOMINAL IN
Groove Quantity: 2

Identification

NSN: 3020-01-665-7954
NIIN: 016657954
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 2AK49X 1 3/8
Manufacturer: Emerson Electric Co Browning Mfg Div

General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-665-7954, 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 Emerson Electric Co Browning Mfg Div. Government technical data includes 11 specifications, cited from the U.S. Government catalog. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Technical Specifications

Parameter	Value
NSN	3020-01-665-7954
Primary Part Number	2AK49X 1 3/8
Item Name	Pulley,groove
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Emerson Electric Co Browning Mfg Div
Status	ACTIVE
Integral Cooling Vane	NOT INCLUDED
Bore Feature	INCLUDED
Groove Shape	V
Outside Diameter	4.75 INCHES NOMINAL IN
Style Designator	PLAIN
Pitch Diameter	4.50 INCHES NOMINAL IN
Groove Quantity	2
Bore Diameter	1.375 INCHES NOMINAL IN
Material	IRON CAST OVERALL
Face Width	1.375 INCHES NOMINAL IN
Lightening Hole	NOT INCLUDED

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
2AK49X 1 3/8 PRIMARY	Emerson Electric Co Browning Mfg Div (USA)
3195377	Emerson Electric Co Browning Mfg Div (USA)

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 3020-01-665-7954?

NSN 3020-01-665-7954 is a Pulley,groove, manufactured by Emerson Electric Co Browning Mfg Div, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-665-7954?

NSN 3020-01-665-7954 has 2 manufacturer part numbers on file: 2AK49X 1 3/8 (Emerson Electric Co Browning Mfg Div), 3195377 (Emerson Electric Co Browning Mfg Div).

What are the specifications of 2AK49X 1 3/8?

Key specifications for 2AK49X 1 3/8: Integral Cooling Vane: NOT INCLUDED; Bore Feature: INCLUDED; Groove Shape: V; Outside Diameter: 4.75 INCHES NOMINAL IN. 11 specifications are documented in the U.S. Government catalog.

Is NSN 3020-01-665-7954 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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