Select Switch1650-01-665-1250

NSN 1650-01-665-1250 · NIIN 016651250 · Part number T4-TCJ3342

R D Screw Machine Products, Inc. · FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components · FSG 16 — Aircraft Components and Accessories · CAGE 71949

Government record, cited

NSN 1650-01-665-1250 — this item is cataloged by the U.S. Government under National Stock Number 1650-01-665-1250. Manufacturer of record part number: T4-TCJ3342.

Also searched as 1650-01-665-1250 · 1650016651250 · NIIN 016651250 · 01-665-1250 · FSC 1650 Aircraft Hydraulic, Vacuum, and De-icing System Components · CAGE 71949 · T4-TCJ3342

Nearby stock numbers ← 1650-01-665-1249 Bracket, Cover · 1650-01-665-1251 Bearing, Angular →

Features

Select Switch — FSC 1650
1 manufacturer part number on file
Manufacturer of record: R D Screw Machine Products, Inc.

Identification

NSN: 1650-01-665-1250
NIIN: 016651250
FSC: 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components
FSG: 16 — Aircraft Components and Accessories
Primary part number: T4-TCJ3342
Manufacturer: R D Screw Machine Products, Inc.

General Description

The Select Switch, cataloged under National Stock Number 1650-01-665-1250, is classified within Federal Supply Class 1650 (Aircraft Hydraulic, Vacuum, and De-icing System Components) of the Aircraft Components and Accessories group. The manufacturer of record is R D Screw Machine Products, Inc.. The record lists 1 manufacturer part number for this item, enabling identification through both NSN and commercial part number lookups. Current acquisition status: Active.

Catalog Facts

Item Name	Select Switch
FSC / FSG	1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components (FSG 16)
Manufacturers	R D Screw Machine Products, Inc. (CAGE 71949)

Technical Specifications

Parameter	Value
NSN	1650-01-665-1250
Primary Part Number	T4-TCJ3342
Item Name	Select Switch
FSC / FSG	1650 / 16 — Aircraft Hydraulic, Vacuum, and De-icing System Components
Manufacturer	R D Screw Machine Products, Inc.
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
T4-TCJ3342 PRIMARY	R D Screw Machine Products, Inc. (USA)

No interchangeability data on file.

Other items in FSC 1650 — Aircraft Hydraulic, Vacuum, and De-icing System Components

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

1650-00-000-0127

1650-00-000-0127 · Item name not on file

1650-00-000-0128

1650-00-000-0128 · Item name not on file

1650-00-000-0130

1650-00-000-0130 · Item name not on file

1650-00-000-0131

ROD,PISTON,LINEAR ACTUATING CYLI

1650-00-000-0151

SWIVEL JOINT HYDRAU

1650-00-000-0152

SWIVEL JOINT,HYDRAULIC,AIRCRAFT

1650-00-001-1732

SPACER YOKE,ADJUST

1650-00-001-1734

1650-00-001-1734 · Item name not on file

Frequently Asked Questions

What is NSN 1650-01-665-1250?

NSN 1650-01-665-1250 is a Select Switch, manufactured by R D Screw Machine Products, Inc., classified under FSC 1650, Aircraft Hydraulic, Vacuum, and De-icing System Components. Status: active.

What part numbers are listed for NSN 1650-01-665-1250?

NSN 1650-01-665-1250 has 1 manufacturer part number on file: T4-TCJ3342 (R D Screw Machine Products, Inc.).

Is NSN 1650-01-665-1250 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.

PartsTable Design LLC · partstable.com