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TC 251 — SWITCH ASSEMBLY

✓ Government record, cited
— · COMPONENT
PRODUCT OVERVIEW

TC 251: SWITCH ASSEMBLY.

The SWITCH ASSEMBLY is a the manufacturer industrial component. Key specifications include switch_type: THERMOSTATIC, overall_depth: 1.875 INCHES NOMINAL IN, overall_width: 5.250 INCHES NOMINAL IN, inclosure_type: FULLY INCLOSED, overall_height: 3.750 INCHES NOMINAL IN, mounting_method: HOLE. This part is cataloged in the U.S.

Government catalog under NSN 5930-01-033-6392, indicating validated use in U.S. government and defense logistics supply chains. Available through authorized enterprise resellers and TPM (Third Party Maintenance) channels.

Verify compatibility with your specific system configuration before ordering.

WHERE IT FITS
TC 251
NSN: 5930-01-033-6392
FSC: 5930 — Switches
CAGE: 05624 — GE AVIATION SYSTEMS LLC DBA GE AVIATION SYSTEMS LLC (USA)
SPECIFICATIONS
switch_typeTHERMOSTATIC
overall_depth1.875 INCHES NOMINAL IN
overall_width5.250 INCHES NOMINAL IN
inclosure_typeFULLY INCLOSED
overall_height3.750 INCHES NOMINAL IN
mounting_methodHOLE
controlling_agencyBARBER COLEMAN COMPANY
identifying_numberTC 251 PART NO.
mounting_configurationTWO MOUNTING HOLES 0.250 IN. DIA SPACED 4.312 IN. C TO C IN
environmental_protectionWATERTIGHT
individual_switch_quantity2
NSN5930-01-033-6392
COMPONENT DIAGRAM
COMPONENT MAIN IC EDGE CONNECTOR No detailed specs available SWITCH ASSEMBLY TITLE COMPONENT PN TC 251 MFR SWITCH ASSEMBLY
KEY FEATURES
•
INCLOSURE TYPE: FULLY INCLOSED
•
CONTROLLING AGENCY: BARBER COLEMAN COMPANY
•
MOUNTING METHOD: HOLE
•
IDENTIFYING NUMBER: TC 251 PART NO.
•
SWITCH TYPE: THERMOSTATIC
•
INDIVIDUAL SWITCH QUANTITY: 2
TECHNICAL CHARACTERISTICS
OVERALL HEIGHT3.750 INCHES NOMINAL IN
INCLOSURE TYPEFULLY INCLOSED
CONTROLLING AGENCYBARBER COLEMAN COMPANY
MOUNTING METHODHOLE
IDENTIFYING NUMBERTC 251 PART NO.
OVERALL WIDTH5.250 INCHES NOMINAL IN
SWITCH TYPETHERMOSTATIC
INDIVIDUAL SWITCH QUANTITY2
ENVIRONMENTAL PROTECTIONWATERTIGHT
MOUNTING CONFIGURATIONTWO MOUNTING HOLES 0.250 IN. DIA SPACED 4.312 IN. C TO C IN
OTHER ITEMS IN FSC 5930 — Switches
Items in the same Federal Supply class. No interchangeability or substitution relationship is implied.
5930-00-000-0117 5930-00-001-1407 5930-00-001-1890 5930-00-001-2571 5930-00-001-2575 5930-00-001-2580 5930-00-001-2608 5930-00-001-2609
SUBSTITUTES & CROSS-REFERENCES

No substitute or cross-reference records for this part.

LIFECYCLE
NSN statusActive· U.S. Government catalog
Acquisition advice: Semi-active item — no replacement plannedNo demilitarization required
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FREQUENTLY ASKED QUESTIONS
What is TC 251?
TC 251 is a SWITCH ASSEMBLY.
What is the NSN for TC 251?
TC 251 is cataloged in the U.S. Government catalog under NSN 5930-01-033-6392. This indicates validated use in U.S. government and defense supply chains.
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✓ PartsTable — the parts reference. Every fact cited to its source.
PartsTable Design LLC · partstable.com
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.
PartsTable commercial catalog: edition Unified commercial catalog snapshot through 2026-09-28, edition date not on file, retrieved 2026-09-28.