PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

21879Retainer,electrical Switch

Barksdale, Inc · NSN 5930-01-191-9731 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-191-9731 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-191-9731. Primary manufacturer part number: 21879.
Features
  • Retainer,electrical Switch — FSC 5930
  • 1 verified cross-reference
  • Primary manufacturer: Barksdale, Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Retainer,electrical Switch, cataloged under National Stock Number 5930-01-191-9731, 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 Barksdale, Inc. This item has 1 commercial cross-reference from 1 manufacturer, 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
NSN5930-01-191-9731
Primary Part Number21879
Item NameRetainer,electrical Switch
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerBarksdale, Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 6
3110-00-144-8522118515 INTERCHANGEABLE
Bearing,ball,annular
Komatsu America Corp.
3455-00-516-504219839 INTERCHANGEABLE
Reamer,machine
Brown & Sharpe, Inc. Div Precision Measuring Instruments, Tesa Usa
5930-00-525-048154A50B262 INTERCHANGEABLE
Switch,sensitive
Navair and Navsea Managed Original Design Activity Dwg Not Material/parts Supplier
5360-01-049-387721879 INTERCHANGEABLE
Spring,helical,compression
Eaton Aerospace Llc
5325-01-118-0935 INTERCHANGEABLE
Stud,turnlock Fastener
5325-01-550-651621879 INTERCHANGEABLE
Stud,turnlock Fastener
Smiths Aerospace, Inc., Electronic Systems-Grand Rapids
Cross-Reference Index
Part NumberManufacturer
21879 PRIMARY Barksdale, Inc (USA)
Related Parts
3110-00-144-8522INTERCHANGEABLE
BEARING,BALL,ANNULAR
118515
3455-00-516-5042INTERCHANGEABLE
REAMER,MACHINE
19839
5930-00-525-0481INTERCHANGEABLE
SWITCH,SENSITIVE
54A50B262
5360-01-049-3877INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
21879
5325-01-118-0935INTERCHANGEABLE
STUD,TURNLOCK FASTENER
5325-01-550-6516INTERCHANGEABLE
STUD,TURNLOCK FASTENER
21879

Frequently Asked Questions

What is NSN 5930-01-191-9731?

NSN 5930-01-191-9731 is a Retainer,electrical Switch, manufactured by Barksdale, Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-191-9731?

NSN 5930-01-191-9731 has 1 cross-referenced part number: 21879 (Barksdale, Inc).

What NSN replaces 5930-01-191-9731?

There are 6 known substitutes for 5930-01-191-9731: 3110-00-144-8522, 3455-00-516-5042, 5930-00-525-0481 and 3 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 21879?

Key specifications for 21879: Part Name Assigned by Controlling Agency: BRACKET,ELECTRICAL SWITCH. 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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