PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

3951-8Switch,sensitive

Atlas Metal Industries Inc · NSN 5930-01-221-0519 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-221-0519 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-221-0519. Primary manufacturer part number: 3951-8.
Features
  • Switch,sensitive — FSC 5930
  • 3 verified cross-references
  • Primary manufacturer: Atlas Metal Industries Inc
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,sensitive, cataloged under National Stock Number 5930-01-221-0519, 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 Atlas Metal Industries Inc. This item has 3 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 12 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Catalog Facts
Item NameSwitch,sensitive
FSC / FSG5930 — No Item Name Available (FSG 59)
ManufacturersAtlas Metal Industries Inc (CAGE 32061); Precision Metal Products Inc (CAGE 09065)
Technical Specifications
ParameterValue
NSN5930-01-221-0519
Primary Part Number3951-8
Item NameSwitch,sensitive
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerAtlas Metal Industries Inc
StatusACTIVE
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 12
5930-00-238-42631130604 INTERCHANGEABLE
Switch,toggle
Westinghouse Electric Corp
5360-00-360-68963951 INTERCHANGEABLE
Spring,helical,compression
Borg-Warner Corp
3010-00-362-29513951 INTERCHANGEABLE
Pressure Plate Assembly,clutch
Twin Disc, Incorporated Dba Twin Disc Mid-Atlantic
3110-00-629-1708PS39518 INTERCHANGEABLE
Bearing,ball,annular
Honeywell International Inc. Div Aerospace - Torrance
2590-01-058-77643951 INTERCHANGEABLE
Cap,filler Opening
Wisco Products Inc
4820-01-156-827839518 INTERCHANGEABLE
Seat,valve
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
6105-01-182-9447 INTERCHANGEABLE
Motor,alternating Current
5360-01-261-1785395-18 INTERCHANGEABLE
Spring,helical,compression
Chicago Faucet Co the
5950-01-293-7438149908023 INTERCHANGEABLE
Transformer,pulse
Eaton Corporation
5330-01-384-34493951800 INTERCHANGEABLE
Retainer,packing
Alfa Laval Inc
Cross-Reference Index
Part NumberManufacturer
3951-8 PRIMARY Atlas Metal Industries Inc (USA)
3951 Precision Metal Products Inc (USA)
3951-8 Precision Metal Products Inc (USA)
Related Parts
5930-00-238-4263INTERCHANGEABLE
SWITCH,TOGGLE
1130604
5360-00-360-6896INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
3951
3010-00-362-2951INTERCHANGEABLE
PRESSURE PLATE ASSEMBLY,CLUTCH
3951
3110-00-629-1708INTERCHANGEABLE
BEARING,BALL,ANNULAR
PS39518
2590-01-058-7764INTERCHANGEABLE
CAP,FILLER OPENING
3951
4820-01-156-8278INTERCHANGEABLE
SEAT,VALVE
39518
6105-01-182-9447INTERCHANGEABLE
MOTOR,ALTERNATING CURRENT
5360-01-261-1785INTERCHANGEABLE
SPRING,HELICAL,COMPRESSION
395-18
5950-01-293-7438INTERCHANGEABLE
TRANSFORMER,PULSE
149908023
5330-01-384-3449INTERCHANGEABLE
RETAINER,PACKING
3951800
4210-01-466-5406INTERCHANGEABLE
NOZZLE,FIRE EQUIPMENT
3951
5940-01-503-8631INTERCHANGEABLE
TERMINAL,LUG
3951

Frequently Asked Questions

What is NSN 5930-01-221-0519?

NSN 5930-01-221-0519 is a Switch,sensitive, manufactured by Atlas Metal Industries Inc, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-221-0519?

NSN 5930-01-221-0519 has 3 cross-referenced part numbers: 3951-8 (Atlas Metal Industries Inc), 3951 (Precision Metal Products Inc), 3951-8 (Precision Metal Products Inc).

What NSN replaces 5930-01-221-0519?

There are 12 known substitutes for 5930-01-221-0519: 5930-00-238-4263, 5360-00-360-6896, 3010-00-362-2951 and 9 more. Verify interchangeability with system specifications before substitution.

Validated with multiple authoritative sources, including Government, OEM, and Certified sources.
PartsTable Design LLC · partstable.com