PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21903-1Switch,pressure

Solar Turbines Incorporated Dba Solar Turbines Incorporated · NSN 5930-00-966-2645 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-966-2645 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-966-2645. Primary manufacturer part number: 21903-1.
Features
  • Switch,pressure — FSC 5930
  • Style Designator: CYLINDRICAL
  • 7 verified cross-references
  • Primary manufacturer: Solar Turbines Incorporated Dba Solar Turbines Incorporated
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,pressure, cataloged under National Stock Number 5930-00-966-2645, is classified within Federal Supply Class 5930 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Solar Turbines Incorporated Dba Solar Turbines Incorporated. Government technical data includes 1 verified specification, sourced from the Federal Logistics Information System (FLIS). This item has 7 commercial cross-references from 3 manufacturers, enabling identification through both NSN and commercial part number lookups. 5 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-966-2645
Primary Part Number21903-1
Item NameSwitch,pressure
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerSolar Turbines Incorporated Dba Solar Turbines Incorporated
StatusACTIVE
Style DesignatorCYLINDRICAL
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 5
1650-00-083-403921903 INTERCHANGEABLE
Rod,piston,linear Actuating Cyli
Mid-America Aerotech, Llc
3040-00-213-034121903 INTERCHANGEABLE
Extension Shaft
Alfa Laval Inc
5360-00-320-222721903 INTERCHANGEABLE
Spring,helical,compression
Pratt & Whitney Canada Corp Div Pratt & Whitney Canada Corp.
2920-01-003-5465CHS-6 INTERCHANGEABLE
Starter,engine,electrical
Machinery Components Inc
3460-01-363-815721903 INTERCHANGEABLE
Arbor,hole Saw
Black and Decker Us Inc
Cross-Reference Index
Part NumberManufacturer
21903-1 Aerospace Control Products, Inc. Dba Aerospace Control Products Inc (USA)
21903-1 PRIMARY Solar Turbines Incorporated Dba Solar Turbines Incorporated (USA)
1903 Rtx Corporation Div Pratt & Whitney (USA)
80410991100 PRIMARY Aerospace Control Products, Inc. Dba Aerospace Control Products Inc (USA)
28625PC21903 Rtx Corporation Div Pratt & Whitney (USA)
21903 Rtx Corporation Div Pratt & Whitney (USA)
21903-1 Rtx Corporation Div Pratt & Whitney (USA)
Related Parts
1650-00-083-4039INTERCHANGEABLE
ROD,PISTON,LINEAR ACTUATING CYLI
21903
3040-00-213-0341INTERCHANGEABLE
EXTENSION SHAFT
21903
5360-00-320-2227INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21903
2920-01-003-5465INTERCHANGEABLE
STARTER,ENGINE,ELECTRICAL
CHS-6
3460-01-363-8157INTERCHANGEABLE
ARBOR,HOLE SAW
21903

Frequently Asked Questions

What is NSN 5930-00-966-2645?

NSN 5930-00-966-2645 is a Switch,pressure, manufactured by Solar Turbines Incorporated Dba Solar Turbines Incorporated, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-966-2645?

NSN 5930-00-966-2645 has 7 cross-referenced part numbers: 21903-1 (Aerospace Control Products, Inc. Dba Aerospace Control Products Inc), 21903-1 (Solar Turbines Incorporated Dba Solar Turbines Incorporated), 1903 (Rtx Corporation Div Pratt & Whitney), 80410991100 (Aerospace Control Products, Inc. Dba Aerospace Control Products Inc), 28625PC21903 (Rtx Corporation Div Pratt & Whitney) and 2 more.

What NSN replaces 5930-00-966-2645?

There are 5 known substitutes for 5930-00-966-2645: 1650-00-083-4039, 3040-00-213-0341, 5360-00-320-2227 and 2 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21903-1?

Key specifications for 21903-1: Style Designator: CYLINDRICAL. 1 total characteristics are documented in the Federal Logistics Information System.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
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