PartsTable TECHNICAL DATA SHEET
JULY 2026Technical Data Sheet

G691Switch,thermostatic

C and B Mfg Co · NSN 5930-00-636-3253 · FSC 5930 · No Item Name Available
Verified by PartsTable
NSN 5930-00-636-3253 — this item is cataloged by the U.S. Government under National Stock Number 5930-00-636-3253. Primary manufacturer part number: G691.
Features
  • Switch,thermostatic — FSC 5930
  • Body Height: 1.000 INCHES NOMINAL IN
  • Body Width: 0.875 INCHES NOMINAL IN
  • Contact Load Current Rating: 0.7 AMPERES RESISTIVE LOAD SECOND VOLTAGE
  • Contact Voltage Rating in Volts: 240.0 DC AT SEA LEVEL SECOND VOLTAGE
  • Contact Voltage Rating in Volts: 120.0 AC AT SEA LEVEL FIRST VOLTAGE
  • Contact Adjustability: DEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
  • Frequency in Hertz: 60.0 SINGLE VOLTAGE
Applications
  • Circuit control and protection
  • Equipment power management
  • Signal routing
General Description

The Switch,thermostatic, cataloged under National Stock Number 5930-00-636-3253, 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 C and B Mfg Co. Government technical data includes 17 verified specifications, sourced from the Federal Logistics Information System (FLIS). This item has 2 commercial cross-references from 1 manufacturer, enabling identification through both NSN and commercial part number lookups. 4 verified substitutes exist in the FLIS interchangeability database. Current acquisition status: Active.

Technical Specifications
ParameterValue
NSN5930-00-636-3253
Primary Part NumberG691
Item NameSwitch,thermostatic
FSC / FSG5930 / 59 — No Item Name Available
ManufacturerC and B Mfg Co
StatusACTIVE
Body Height1.000 INCHES NOMINAL IN
Body Width0.875 INCHES NOMINAL IN
Contact Load Current Rating0.7 AMPERES RESISTIVE LOAD SECOND VOLTAGE
Contact Voltage Rating in Volts240.0 DC AT SEA LEVEL SECOND VOLTAGE
Contact Voltage Rating in Volts120.0 AC AT SEA LEVEL FIRST VOLTAGE
Contact AdjustabilityDEACTUATION POINT NOT ADJUSTABLE AND ACTUATION POINT NOT ADJUSTABLE
Frequency in Hertz60.0 SINGLE VOLTAGE
Style DesignatorCYLINDRICAL W/FLANGE
Contact Load Current Rating2.0 AMPERES RESISTIVE LOAD FIRST VOLTAGE
Contact Stimulus Rating300.00 ACTUATION POINT NOMINAL DEGREES FAHRENHEIT AND 250.00 DEACTUATION POINT NOMINAL DEGREES FAHRENHEIT
Nonpile-Up Contact Arrangement1 POLE, SINGLE THROW, NORMALLY OPEN, MOMENTARY ACTION
Body Diameter0.600 INCHES NOMINAL IN
Temp Sensing Element TypeBULB
Mounting MethodBUSHING
Contact Action StimulusINCREASE
Terminal TypeTAB, SOLDER LUG
Width Across Flats0.875 INCHES NOMINAL IN
Lifecycle & Compliance
Acquisition StatusACTIVE
HAZMATNo
Verified Substitutes 4
2815-00-424-7185259892R1 INTERCHANGEABLE
Guide,valve Stem
Dressta North America Ltd
5365-00-845-7667B6-01 INTERCHANGEABLE
Shim
Roller Bearing Co of America, Inc Div Pic Design
3110-01-319-1134G-691 INTERCHANGEABLE
Bearing,ball,annular
L3 Technologies, Inc.
5210-01-481-7730G691 INTERCHANGEABLE
Gage,calibration Fixture
Daniels Manufacturing Corporation
Cross-Reference Index
Part NumberManufacturer
G691 C and B Mfg Co (USA)
3300 C and B Mfg Co (USA)
Related Parts
2815-00-424-7185INTERCHANGEABLE
GUIDE,VALVE STEM
259892R1
5365-00-845-7667INTERCHANGEABLE
SHIM
B6-01
3110-01-319-1134INTERCHANGEABLE
BEARING,BALL,ANNULAR
G-691
5210-01-481-7730INTERCHANGEABLE
GAGE,CALIBRATION FIXTURE
G691

Frequently Asked Questions

What is NSN 5930-00-636-3253?

NSN 5930-00-636-3253 is a Switch,thermostatic, manufactured by C and B Mfg Co, classified under FSC 5930 (No Item Name Available). Status: active.

What are the part numbers for NSN 5930-00-636-3253?

NSN 5930-00-636-3253 has 2 cross-referenced part numbers: G691 (C and B Mfg Co), 3300 (C and B Mfg Co).

What NSN replaces 5930-00-636-3253?

There are 4 known substitutes for 5930-00-636-3253: 2815-00-424-7185, 5365-00-845-7667, 3110-01-319-1134 and 1 more. Verify interchangeability with system specifications before substitution.

What are the specifications of G691?

Key specifications for G691: Overall Length: 2.312 INCHES NOMINAL IN; Body Height: 1.000 INCHES NOMINAL IN; Body Width: 0.875 INCHES NOMINAL IN; Contact Load Current Rating: 0.7 AMPERES RESISTIVE LOAD SECOND VOLTAGE. 18 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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