PartsTable TECHNICAL DATA SHEET

NSN 3020-01-189-8331Government record, cited

Sprocket and Pulley Assembly3020-01-189-8331

NSN 3020-01-189-8331 · NIIN 011898331 · Part number 1264M37

Bae Systems Information and Electronic Systems Integration Inc. · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 72314

Government record, cited

NSN 3020-01-189-8331 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-189-8331. Manufacturer of record part number: 1264M37.

Also searched as 3020-01-189-8331 · 3020011898331 · NIIN 011898331 · 01-189-8331 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 72314 · 1264M37

Nearby stock numbers ← 3020-01-189-8258 · 3020-01-189-8375 Gear, Spur →

Features

Sprocket and Pulley Assembly — FSC 3020
General Characteristics Item Description: MOUNTED ON SHAFT APPROX LG 6.500 IN.;TWO SPROCKET AND ONE PULLEY IN
1 manufacturer part number on file
Manufacturer of record: Bae Systems Information and Electronic Systems Integration Inc.

Identification

NSN: 3020-01-189-8331
NIIN: 011898331
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 1264M37
Manufacturer: Bae Systems Information and Electronic Systems Integration Inc.

General Description

The Sprocket and Pulley Assembly, cataloged under National Stock Number 3020-01-189-8331, 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 Bae Systems Information and Electronic Systems Integration Inc.. Government technical data includes 1 specification, cited from the U.S. Government catalog. 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	3020-01-189-8331
Primary Part Number	1264M37
Item Name	Sprocket and Pulley Assembly
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Bae Systems Information and Electronic Systems Integration Inc.
Status	ACTIVE
General Characteristics Item Description	MOUNTED ON SHAFT APPROX LG 6.500 IN.;TWO SPROCKET AND ONE PULLEY 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

Part Number	Manufacturer
1264M37 PRIMARY	Bae Systems Information and Electronic Systems Integration Inc. (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 3020-01-189-8331?

NSN 3020-01-189-8331 is a Sprocket and Pulley Assembly, manufactured by Bae Systems Information and Electronic Systems Integration Inc., classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-189-8331?

NSN 3020-01-189-8331 has 1 manufacturer part number on file: 1264M37 (Bae Systems Information and Electronic Systems Integration Inc.).

What are the specifications of 1264M37?

Key specifications for 1264M37: General Characteristics Item Description: MOUNTED ON SHAFT APPROX LG 6.500 IN.;TWO SPROCKET AND ONE PULLEY IN. 1 specification is documented in the U.S. Government catalog.

Is NSN 3020-01-189-8331 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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