PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

C21Resistor,fixed,film

Welwyn Components Ltd · NSN 5905-00-008-1620 · FSC 5905 · No Item Name Available
Verified by PartsTable
NSN 5905-00-008-1620 — this item is cataloged by the U.S. Government under National Stock Number 5905-00-008-1620. Primary manufacturer part number: C21.
Features
  • Resistor,fixed,film — FSC 5905
  • Resistance Tolerance in Percent: -5.000 TO 5.000
  • Style Designator: AXIAL TERMINAL EACH END
  • Power Dissipation Rating in Watts: 0.250 FREE AIR
  • Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC
  • Body Diameter: 0.156 INCHES NOMINAL IN
  • Inclosure Type: ENCAPSULATED
  • Body Length: 0.562 INCHES NOMINAL IN
Applications
  • Circuit regulation and filtering
  • Signal conditioning
  • Power supply stabilization
General Description

The Resistor,fixed,film, cataloged under National Stock Number 5905-00-008-1620, is classified within Federal Supply Class 5905 (No Item Name Available) of the Electrical and Electronic Equipment Components group. The primary manufacturer of record is Welwyn Components Ltd. Government technical data includes 11 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 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
NSN5905-00-008-1620
Primary Part NumberC21
Item NameResistor,fixed,film
FSC / FSG5905 / 59 — No Item Name Available
ManufacturerWelwyn Components Ltd
StatusACTIVE
Resistance Tolerance in Percent-5.000 TO 5.000
Style DesignatorAXIAL TERMINAL EACH END
Power Dissipation Rating in Watts0.250 FREE AIR
Ambient Temp at Full Rated Power70.0 CELSIUS DEGC
Body Diameter0.156 INCHES NOMINAL IN
Inclosure TypeENCAPSULATED
Body Length0.562 INCHES NOMINAL IN
Terminal Length2.000 INCHES MAXIMUM IN
Terminal TypeWIRE LEAD
Ambient Temp in Deg Celsius at Zero Percent Rated Power150.0
Electrical Resistance5.600 MEGOHMS
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-339-3041C21 INTERCHANGEABLE
Bearing,ball,thrust
Butterworth, Inc.
5315-00-720-5915120614-001 INTERCHANGEABLE
Pin,tapered,plain
Bae Systems Information and Electronic Systems Integration Inc. Dba Bae Systems
4730-01-094-6827 INTERCHANGEABLE
Coupling,hose
4130-01-386-9427C21 INTERCHANGEABLE
Filter-Drier,refrigerant
R S P Industries Inc
5950-01-450-2748668-0292-010 INTERCHANGEABLE
Reactor
Rockwell Collins, Inc. Dba Collins Aerospace Government Systems Div Collins Aerospace - Government Systems
6665-01-723-6378C-21 INTERCHANGEABLE
Detector,gas
Interlink Electronics, Inc
Cross-Reference Index
Part NumberManufacturer
C21 PRIMARY Welwyn Components Ltd (GBR)
RC2E5-6M0HMSP0RM5PCT1-4W Qinetiq Ltd (GBR)
Related Parts
3110-00-339-3041INTERCHANGEABLE
BEARING,BALL,THRUST
C21
5315-00-720-5915INTERCHANGEABLE
PIN,TAPERED,PLAIN
120614-001
4730-01-094-6827INTERCHANGEABLE
COUPLING,HOSE
4130-01-386-9427INTERCHANGEABLE
FILTER-DRIER,REFRIGERANT
C21
5950-01-450-2748INTERCHANGEABLE
REACTOR
668-0292-010
6665-01-723-6378INTERCHANGEABLE
DETECTOR,GAS
C-21

Frequently Asked Questions

What is NSN 5905-00-008-1620?

NSN 5905-00-008-1620 is a Resistor,fixed,film, manufactured by Welwyn Components Ltd, classified under FSC 5905 (No Item Name Available). Status: active.

What are the part numbers for NSN 5905-00-008-1620?

NSN 5905-00-008-1620 has 2 cross-referenced part numbers: C21 (Welwyn Components Ltd), RC2E5-6M0HMSP0RM5PCT1-4W (Qinetiq Ltd).

What NSN replaces 5905-00-008-1620?

There are 6 known substitutes for 5905-00-008-1620: 3110-00-339-3041, 5315-00-720-5915, 4730-01-094-6827 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of C21?

Key specifications for C21: Resistance Tolerance in Percent: -5.000 TO 5.000; Style Designator: AXIAL TERMINAL EACH END; Power Dissipation Rating in Watts: 0.250 FREE AIR; Ambient Temp at Full Rated Power: 70.0 CELSIUS DEGC. 11 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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