PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21231-1Capacitor,fixed,electrolytic

Thales Usa, Inc. Div Air Mobility Solutions ("ams") · NSN 5910-00-949-9556 · FSC 5910 · No Item Name Available
Verified by PartsTable
NSN 5910-00-949-9556 — this item is cataloged by the U.S. Government under National Stock Number 5910-00-949-9556. Primary manufacturer part number: 21231-1.
Features
  • Capacitor,fixed,electrolytic — FSC 5910
  • Electrical Polarization: POLARIZED
  • Capacitance Value Per Section: 1250.000 MICROFARADS SINGLE SECTION
  • Schematic Diagram Designator: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
  • Tolerance Range Per Section: -20.00 TO 20.00 PERCENT SINGLE SECTION
  • Capacitive Electrode Material: TANTALUM
  • Terminal Type and Quantity: 2 UNINSULATED WIRE LEAD
  • Test Data Document: 65597-21231-1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Capacitor,fixed,electrolytic, cataloged under National Stock Number 5910-00-949-9556, is classified within Federal Supply Class 5910 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Thales Usa, Inc. Div Air Mobility Solutions ("ams"). Government technical data includes 14 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 6 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5910-00-949-9556
Primary Part Number21231-1
Item NameCapacitor,fixed,electrolytic
FSC / FSG5910 / 59 — No Item Name Available
ManufacturerThales Usa, Inc. Div Air Mobility Solutions ("ams")
StatusACTIVE
Electrical PolarizationPOLARIZED
Capacitance Value Per Section1250.000 MICROFARADS SINGLE SECTION
Schematic Diagram DesignatorELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL
Tolerance Range Per Section-20.00 TO 20.00 PERCENT SINGLE SECTION
Capacitive Electrode MaterialTANTALUM
Terminal Type and Quantity2 UNINSULATED WIRE LEAD
Test Data Document65597-21231-1 DRAWING (THIS IS THE BASIC GOVERNING DRAWING, SUCH AS A CONTRACTOR DRAWING, ORIGINAL EQUIPMENT MANUFACTURER DRAWING, ETC.; EXCLUDES ANY SPECIFICATION, STANDARD OR OTHER DOCUMENT THAT MAY BE REFERENCED IN A BASIC GOVERNING DRAWING)
Nonderated Continuous Voltage Rating and Type Per Section6.0 DC SINGLE SECTION
Body Length1.312 INCHES NOMINAL IN
Nonderated Operating Temp-55.0 CELSIUS MINIMUM AND 85.0 CELSIUS MAXIMUM DEGC
Body Diameter0.438 INCHES NOMINAL IN
Anode TypeSOLID
Body StyleW/O MTG FACILITIES, AXIAL TERMINALS
Reliability IndicatorNOT ESTABLISHED
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3455-00-228-5295 INTERCHANGEABLE
Cutter,milling,end
5940-00-231-1595 INTERCHANGEABLE
Terminal,lug
5998-00-455-9838S134 INTERCHANGEABLE
Circuit Card Assembly
Bae Systems (operations) Limited
5930-00-815-9908PS1264-2 INTERCHANGEABLE
Switch,sensitive
Emerson Electric Co Alco Controls Div
1660-01-390-891221231-1 INTERCHANGEABLE
Bellows,pressure
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
5305-01-674-5546S 134 INTERCHANGEABLE
Screw,cap,hexagon Head
Cummins Inc.
Cross-Reference Index
Part NumberManufacturer
21231-1 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
S134 Hunter-Stanley Electronics Inc (USA)
021231-0001 Thales Usa, Inc. Div Air Mobility Solutions ("ams") (USA)
Related Parts
3455-00-228-5295INTERCHANGEABLE
CUTTER,MILLING,END
5940-00-231-1595INTERCHANGEABLE
TERMINAL,LUG
5998-00-455-9838INTERCHANGEABLE
CIRCUIT CARD ASSEMBLY
S134
5930-00-815-9908INTERCHANGEABLE
SWITCH,SENSITIVE
PS1264-2
1660-01-390-8912INTERCHANGEABLE
BELLOWS,PRESSURE
21231-1
5305-01-674-5546INTERCHANGEABLE
SCREW,CAP,HEXAGON HEAD
S 134

Frequently Asked Questions

What is NSN 5910-00-949-9556?

NSN 5910-00-949-9556 is a Capacitor,fixed,electrolytic, manufactured by Thales Usa, Inc. Div Air Mobility Solutions ("ams"), classified under FSC 5910 (No Item Name Available). Status: active.

What are the part numbers for NSN 5910-00-949-9556?

NSN 5910-00-949-9556 has 3 cross-referenced part numbers: 21231-1 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")), S134 (Hunter-Stanley Electronics Inc), 021231-0001 (Thales Usa, Inc. Div Air Mobility Solutions ("ams")).

What NSN replaces 5910-00-949-9556?

There are 6 known substitutes for 5910-00-949-9556: 3455-00-228-5295, 5940-00-231-1595, 5998-00-455-9838 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21231-1?

Key specifications for 21231-1: Electrical Polarization: POLARIZED; Capacitance Value Per Section: 1250.000 MICROFARADS SINGLE SECTION; Schematic Diagram Designator: ELECTRODE(S) GROUNDED TO CASE, W/GND TERMINAL; Tolerance Range Per Section: -20.00 TO 20.00 PERCENT SINGLE SECTION. 14 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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