Adapter, Ring, Drive4120-01-055-4140

NSN 4120-01-055-4140 · NIIN 010554140 · Part number 3021

Stromag Inc · FSC 4120 — Air Conditioning Equipment · FSG 41 — Refrigeration, AC, and Air Circulating Equipment · CAGE 53622

Government record, cited

NSN 4120-01-055-4140 — this item is cataloged by the U.S. Government under National Stock Number 4120-01-055-4140. Manufacturer of record part number: 3021.

Also searched as 4120-01-055-4140 · 4120010554140 · NIIN 010554140 · 01-055-4140 · FSC 4120 Air Conditioning Equipment · CAGE 53622 · 3021

Nearby stock numbers ← 4120-01-053-6770 Air Conditioner · 4120-01-055-9655 →

Features

Adapter,ring,drive — FSC 4120
FSC Application Data: AIR CONDITIONER
1 manufacturer part number on file
Manufacturer of record: Stromag Inc

Identification

NSN: 4120-01-055-4140
NIIN: 010554140
FSC: 4120 — Air Conditioning Equipment
FSG: 41 — Refrigeration, AC, and Air Circulating Equipment
Primary part number: 3021
Manufacturer: Stromag Inc

General Description

The Adapter,ring,drive, cataloged under National Stock Number 4120-01-055-4140, is classified within Federal Supply Class 4120 (Air Conditioning Equipment) of the Refrigeration, AC, and Air Circulating Equipment group. The manufacturer of record is Stromag 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	4120-01-055-4140
Primary Part Number	3021
Item Name	Adapter,ring,drive
FSC / FSG	4120 / 41 — Air Conditioning Equipment
Manufacturer	Stromag Inc
Status	ACTIVE
FSC Application Data	AIR CONDITIONER

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
3021 PRIMARY	Stromag Inc (USA)

No interchangeability data on file.

Other items in FSC 4120 — Air Conditioning Equipment

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

4120-00-000-0076

4120-00-000-0076 · Item name not on file

4120-00-001-8402

4120-00-001-8402 · Item name not on file

4120-00-001-8403

4120-00-001-8403 · Item name not on file

4120-00-006-6074

4120-00-006-6074 · Item name not on file

4120-00-010-1372

4120-00-010-1372 · Item name not on file

4120-00-011-3383

4120-00-011-3383 · Item name not on file

4120-00-011-3387

4120-00-011-3387 · Item name not on file

4120-00-011-3388

4120-00-011-3388 · Item name not on file

Frequently Asked Questions

What is NSN 4120-01-055-4140?

NSN 4120-01-055-4140 is a Adapter,ring,drive, manufactured by Stromag Inc, classified under FSC 4120, Air Conditioning Equipment. Status: active.

What part numbers are listed for NSN 4120-01-055-4140?

NSN 4120-01-055-4140 has 1 manufacturer part number on file: 3021 (Stromag Inc).

What are the specifications of 3021?

Key specifications for 3021: FSC Application Data: AIR CONDITIONER. 1 specification is documented in the U.S. Government catalog.

Is NSN 4120-01-055-4140 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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