PartsTable TECHNICAL DATA SHEET

NSN 6620-01-658-5441Government record, cited

Computer, Engine6620-01-658-5441

NSN 6620-01-658-5441 · NIIN 016585441 · Part number 822440-4-028

Hamilton Sundstrand Corporation Dba Collins Aerospace · FSC 6620 — Engine Instruments · FSG 66 — Instruments and Laboratory Equipment · CAGE 73030

Government record, cited

NSN 6620-01-658-5441 — this item is cataloged by the U.S. Government under National Stock Number 6620-01-658-5441. Manufacturer of record part number: 822440-4-028.

Also searched as 6620-01-658-5441 · 6620016585441 · NIIN 016585441 · 01-658-5441 · FSC 6620 Engine Instruments · CAGE 73030 · 822440-4-028 · 2125M75P03 · 2125M75P04

Nearby stock numbers ← 6620-01-658-2480 Indicator, Pressure · 6620-01-658-5768 Transmitter, Pressure →

Features

Computer,engine — FSC 6620
2 manufacturer part numbers on file
Manufacturer of record: Hamilton Sundstrand Corporation Dba Collins Aerospace

Identification

NSN: 6620-01-658-5441
NIIN: 016585441
FSC: 6620 — Engine Instruments
FSG: 66 — Instruments and Laboratory Equipment
Primary part number: 822440-4-028
Manufacturer: Hamilton Sundstrand Corporation Dba Collins Aerospace

General Description

The Computer,engine, cataloged under National Stock Number 6620-01-658-5441, is classified within Federal Supply Class 6620 (Engine Instruments) of the Instruments and Laboratory Equipment group. The manufacturer of record is Hamilton Sundstrand Corporation Dba Collins Aerospace. The record lists 2 manufacturer part numbers for this item, enabling identification through both NSN and commercial part number lookups. 1 additional reference document (drawings, advisory and superseded references) is recorded in the U.S. Government catalog. Current acquisition status: Active.

Catalog Facts

Item Name	Computer,engine
FSC / FSG	6620 — Engine Instruments (FSG 66)
Manufacturers	Hamilton Sundstrand Corporation Dba Collins Aerospace (CAGE 73030); General Electric Company (CAGE 07482)

Technical Specifications

Parameter	Value
NSN	6620-01-658-5441
Primary Part Number	822440-4-028
Item Name	Computer,engine
FSC / FSG	6620 / 66 — Engine Instruments
Manufacturer	Hamilton Sundstrand Corporation Dba Collins Aerospace
Status	ACTIVE

Lifecycle & Compliance

Acquisition Status	ACTIVE
DEMIL Code	DEMIL C — Remove/Demil Key Points
Hazard	No hazard code in the DLA record (HMIC N)
Criticality Code	Y

Cross-Reference Index

Part Number	Manufacturer
822440-4-028 PRIMARY	Hamilton Sundstrand Corporation Dba Collins Aerospace (USA)
2125M75P04	General Electric Company (USA)

Reference documents

Reference	Meaning
2125M75P03	5/9 Secondary reference General Electric Company

No interchangeability data on file.

Other items in FSC 6620 — Engine Instruments

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

6620-00-000-0124

6620-00-000-0124 · Item name not on file

6620-00-000-0548

6620-00-000-0548 · Item name not on file

6620-00-001-1398

STARTER AND SHAFT ASSEMBLY

6620-00-001-4552

6620-00-001-4552 · Item name not on file

6620-00-001-9331

6620-00-001-9331 · Item name not on file

6620-00-001-9332

6620-00-001-9332 · Item name not on file

6620-00-001-9333

6620-00-001-9333 · Item name not on file

6620-00-001-9334

6620-00-001-9334 · Item name not on file

Frequently Asked Questions

What is NSN 6620-01-658-5441?

NSN 6620-01-658-5441 is a Computer,engine, manufactured by Hamilton Sundstrand Corporation Dba Collins Aerospace, classified under FSC 6620, Engine Instruments. Status: active.

What part numbers are listed for NSN 6620-01-658-5441?

NSN 6620-01-658-5441 has 2 manufacturer part numbers on file: 822440-4-028 (Hamilton Sundstrand Corporation Dba Collins Aerospace), 2125M75P04 (General Electric Company).

Is NSN 6620-01-658-5441 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.

What is the DEMIL code for NSN 6620-01-658-5441?

NSN 6620-01-658-5441 has DEMIL Code C. Demilitarization may be required before disposal or transfer to non-military entities.

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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