PartsTable TECHNICAL DATA SHEET

NSN 3020-01-221-3430Government record, cited

Pulley, Groove3020-01-221-3430

NSN 3020-01-221-3430 · NIIN 012213430 · Part number 554974-101

Hamilton Sundstrand Corporation Div Mission Systems · FSC 3020 — Gears, Pulleys, Sprockets, and Transmission Chain · FSG 30 — Mechanical Power Transmission Equipment · CAGE 26581

Government record, cited

NSN 3020-01-221-3430 — this item is cataloged by the U.S. Government under National Stock Number 3020-01-221-3430. Manufacturer of record part number: 554974-101.

Also searched as 3020-01-221-3430 · 3020012213430 · NIIN 012213430 · 01-221-3430 · FSC 3020 Gears, Pulleys, Sprockets, and Transmission Chain · CAGE 26581 · 554974-101 · 210-554974 · 348005-134

Nearby stock numbers ← 3020-01-221-3356 Gear Cluster · 3020-01-221-3708 Gear, Internal →

Features

Pulley,groove — FSC 3020
2 manufacturer part numbers on file
Manufacturer of record: Hamilton Sundstrand Corporation Div Mission Systems

Identification

NSN: 3020-01-221-3430
NIIN: 012213430
FSC: 3020 — Gears, Pulleys, Sprockets, and Transmission Chain
FSG: 30 — Mechanical Power Transmission Equipment
Primary part number: 554974-101
Manufacturer: Hamilton Sundstrand Corporation Div Mission Systems

General Description

The Pulley,groove, cataloged under National Stock Number 3020-01-221-3430, 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 Hamilton Sundstrand Corporation Div Mission Systems. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Pulley,groove
FSC / FSG	3020 — Gears, Pulleys, Sprockets, and Transmission Chain (FSG 30)
Manufacturers	Hamilton Sundstrand Corporation Div Mission Systems (CAGE 26581)

Technical Specifications

Parameter	Value
NSN	3020-01-221-3430
Primary Part Number	554974-101
Item Name	Pulley,groove
FSC / FSG	3020 / 30 — Gears, Pulleys, Sprockets, and Transmission Chain
Manufacturer	Hamilton Sundstrand Corporation Div Mission Systems
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL A — No Demilitarization Required
Hazard	No hazard code in the DLA record (HMIC N)

Cross-Reference Index

Part Number	Manufacturer
348005-134	Hamilton Sundstrand Corporation Div Mission Systems (USA)
554974-101 PRIMARY	Hamilton Sundstrand Corporation Div Mission Systems (USA)

Reference documents

Reference	Meaning
210-554974	5/9 Secondary reference Viasys Respiratory Care Inc. Dba Biosys Healthcare
554974-101	5/9 Secondary reference Viasys Respiratory Care Inc. Dba Biosys Healthcare

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 3020-01-221-3430?

NSN 3020-01-221-3430 is a Pulley,groove, manufactured by Hamilton Sundstrand Corporation Div Mission Systems, classified under FSC 3020, Gears, Pulleys, Sprockets, and Transmission Chain. Status: active.

What part numbers are listed for NSN 3020-01-221-3430?

NSN 3020-01-221-3430 has 2 manufacturer part numbers on file: 348005-134 (Hamilton Sundstrand Corporation Div Mission Systems), 554974-101 (Hamilton Sundstrand Corporation Div Mission Systems).

Is NSN 3020-01-221-3430 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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