PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

35351Switch,thermostatic

Williams International Co., L.l.c. · NSN 5930-01-030-1522 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-01-030-1522 — this item is cataloged by the U.S. Government under National Stock Number 5930-01-030-1522. Primary manufacturer part number: 35351.
Features
  • Switch,thermostatic — FSC 5930
  • Temp Sensing Element Type: THERMOCOUPLE
  • Longest Vertical Distance Between Mounting Centers: 0.875 INCHES NOMINAL IN
  • Contact Stimulus Rating: 1425.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 1300.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
  • Contact Action Stimulus: INCREASE
  • Mounting Facility Pattern: FOUR POSITION RECTANGULAR
  • Mounting Method: BRACKET(S) AND UNTHREADED HOLE(S)
  • Contact Adjustability: ACTUATION POINT ADJUSTABLE, PRESET AND DEACTUATION POINT NOT ADJUSTABLE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-01-030-1522, 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 Williams International Co., L.l.c.. Government technical data includes 15 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 4 commercial cross-references from 2 manufacturers, enabling identification through both NSN and commercial part number lookups. 8 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-01-030-1522
Primary Part Number35351
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerWilliams International Co., L.l.c.
StatusACTIVE
Temp Sensing Element TypeTHERMOCOUPLE
Longest Vertical Distance Between Mounting Centers0.875 INCHES NOMINAL IN
Contact Stimulus Rating1425.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 1300.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Contact Action StimulusINCREASE
Mounting Facility PatternFOUR POSITION RECTANGULAR
Mounting MethodBRACKET(S) AND UNTHREADED HOLE(S)
Contact AdjustabilityACTUATION POINT ADJUSTABLE, PRESET AND DEACTUATION POINT NOT ADJUSTABLE
Media for Which DesignedGAS
Contact Adjustment TypeEXTERNAL ACTUATION POINT SCREW
Longest Horizontal Distance Between Mounting Centers2.656 INCHES NOMINAL IN
Terminal TypeCONNECTOR, RECEPTACLE
Operating Temp Rating-65.0 FAHRENHEIT MINIMUM AND 250.0 FAHRENHEIT MAXIMUM DEGF
Unthreaded Mounting Hole Diameter0.200 INCHES MINIMUM AND 0.220 INCHES MAXIMUM IN
Features ProvidedTAMPER PROOF CAP
Body Length2.090 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 8
5935-00-058-86123535-1 INTERCHANGEABLE
Connector,plug,electrical
Microwave Devices Inc
5961-00-122-605035-351 INTERCHANGEABLE
Rectifier,semiconductor Device
Drs Naval Power Systems Inc Dba Drs Power & Control Technologies Inc
4330-00-343-726235351 INTERCHANGEABLE
Filter,fluid Pressu
Honeywell International Inc Dba Honeywell Div Consumer Products Group
5130-00-772-7804353-51 INTERCHANGEABLE
Riveter,blind,pneumatic
Huck International, Inc. Div Kingston Operations
3040-01-004-43513535-1 INTERCHANGEABLE
Connecting Link,rigid
Tyee Aircraft Inc Div Tyee Aircraft
1660-01-041-176235351 INTERCHANGEABLE
Housing
Eaton Aerospace Llc Dba Eaton Aerospace Jackson
4820-01-251-061935351 INTERCHANGEABLE
Valve,foot
Crane Pumps & Systems Pft Corp Div Crane Pumps & System Pft Corp.
1560-01-436-4898160D122140-1 INTERCHANGEABLE
Roll,control,link,a
Northrop Grumman Systems Corporation
Cross-Reference Index
Part NumberManufacturer
35351 PRIMARY Williams International Co., L.l.c. (USA)
EL4400-9E Semco Instruments, Inc. Dba Harcosemco (USA)
EL4400-9C Semco Instruments, Inc. Dba Harcosemco (USA)
EL4400-9 Semco Instruments, Inc. Dba Harcosemco (USA)
Related Parts
5935-00-058-8612INTERCHANGEABLE
CONNECTOR,PLUG,ELECTRICAL
3535-1
5961-00-122-6050INTERCHANGEABLE
RECTIFIER,SEMICONDUCTOR DEVICE
35-351
4330-00-343-7262INTERCHANGEABLE
FILTER,FLUID PRESSU
35351
5130-00-772-7804INTERCHANGEABLE
RIVETER,BLIND,PNEUMATIC
353-51
3040-01-004-4351INTERCHANGEABLE
CONNECTING LINK,RIGID
3535-1
1660-01-041-1762INTERCHANGEABLE
HOUSING
35351
4820-01-251-0619INTERCHANGEABLE
VALVE,FOOT
35351
1560-01-436-4898INTERCHANGEABLE
ROLL,CONTROL,LINK,A
160D122140-1

Frequently Asked Questions

What is NSN 5930-01-030-1522?

NSN 5930-01-030-1522 is a Switch,thermostatic, manufactured by Williams International Co., L.l.c., classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-01-030-1522?

NSN 5930-01-030-1522 has 4 cross-referenced part numbers: 35351 (Williams International Co., L.l.c.), EL4400-9E (Semco Instruments, Inc. Dba Harcosemco), EL4400-9C (Semco Instruments, Inc. Dba Harcosemco), EL4400-9 (Semco Instruments, Inc. Dba Harcosemco).

What NSN replaces 5930-01-030-1522?

There are 8 known substitutes for 5930-01-030-1522: 5935-00-058-8612, 5961-00-122-6050, 4330-00-343-7262 and 5 more. Verify interchangeability with system specifications before substitution.

What are the specifications of 35351?

Key specifications for 35351: Temp Sensing Element Type: THERMOCOUPLE; Longest Vertical Distance Between Mounting Centers: 0.875 INCHES NOMINAL IN; Contact Stimulus Rating: 1425.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 1300.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT; Contact Action Stimulus: INCREASE. 16 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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