PartsTable TECHNICAL DATA SHEET

NSN 2920-01-256-8770Government record, cited

Switch, Electrical2920-01-256-8770

NSN 2920-01-256-8770 · NIIN 012568770 · Part number 2H44000U

National Oilwell Varco Inc Dba National Oilwell · FSC 2920 — Engine Electrical System Components, Nonaircraft · FSG 29 — Engine Accessories · CAGE 52142

Government record, cited

NSN 2920-01-256-8770 — this item is cataloged by the U.S. Government under National Stock Number 2920-01-256-8770. Manufacturer of record part number: 2H44000U.

Also searched as 2920-01-256-8770 · 2920012568770 · NIIN 012568770 · 01-256-8770 · FSC 2920 Engine Electrical System Components, Nonaircraft · CAGE 52142 · 2H44000U · H44000U

Nearby stock numbers ← 2920-01-256-8135 · 2920-01-256-8788 Modification Kit, Engine Accessor →

Features

Switch,electrical — FSC 2920
1 manufacturer part number on file
Manufacturer of record: National Oilwell Varco Inc Dba National Oilwell

Identification

NSN: 2920-01-256-8770
NIIN: 012568770
FSC: 2920 — Engine Electrical System Components, Nonaircraft
FSG: 29 — Engine Accessories
Primary part number: 2H44000U
Manufacturer: National Oilwell Varco Inc Dba National Oilwell

General Description

The Switch,electrical, cataloged under National Stock Number 2920-01-256-8770, is classified within Federal Supply Class 2920 (Engine Electrical System Components, Nonaircraft) of the Engine Accessories group. The manufacturer of record is National Oilwell Varco Inc Dba National Oilwell. The record lists 1 manufacturer part number 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through both NSN and commercial part number lookups. 2 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog.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	Switch,electrical
FSC / FSG	2920 — Engine Electrical System Components, Nonaircraft (FSG 29)
Manufacturers	National Oilwell Varco Inc Dba National Oilwell (CAGE 52142)

Technical Specifications

Parameter	Value
NSN	2920-01-256-8770
Primary Part Number	2H44000U
Item Name	Switch,electrical
FSC / FSG	2920 / 29 — Engine Electrical System Components, Nonaircraft
Manufacturer	National Oilwell Varco Inc Dba National Oilwell
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
2H44000U PRIMARY	National Oilwell Varco Inc Dba National Oilwell (USA)

Reference documents

Reference	Meaning
H44000U	5/9 Secondary reference General Motors Corp Delco Products Div Machine Control Systems
2H44000U	5/9 Secondary reference General Motors Corp Delco Products Div Machine Control Systems

No interchangeability data on file.

Other items in FSC 2920 — Engine Electrical System Components, Nonaircraft

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

2920-00-000-0088

INSTALLATION KIT,AL

2920-00-000-0183

GENERATOR,ENGINE ACCESSORY

2920-00-000-0194

2920-00-000-0194 · Item name not on file

2920-00-001-3474

COIL,MAGNETO

2920-00-001-3843

PLATE ASSY,ARMATURE

2920-00-001-6184

2920-00-001-6184 · Item name not on file

2920-00-001-6185

2920-00-001-6185 · Item name not on file

2920-00-001-8891

2920-00-001-8891 · Item name not on file

Frequently Asked Questions

What is NSN 2920-01-256-8770?

NSN 2920-01-256-8770 is a Switch,electrical, manufactured by National Oilwell Varco Inc Dba National Oilwell, classified under FSC 2920, Engine Electrical System Components, Nonaircraft. Status: active.

What part numbers are listed for NSN 2920-01-256-8770?

NSN 2920-01-256-8770 has 1 manufacturer part number on file: 2H44000U (National Oilwell Varco Inc Dba National Oilwell).

Is NSN 2920-01-256-8770 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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