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657S

SKU: 657S

MPN: 657S

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$10.09 / EA

Available to order

Lead time: over 7 working days

Lead time: over 7 working days
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Single-unit ordering available.

Dale Electric Supply ships electrical products across the U.S. and supports international orders through customer service. Local delivery may be available in defined regional delivery zones, and larger same-manufacturer orders may qualify for factory-direct shipping. Shipping and fulfillment can vary by product, vendor, manufacturer program, stock state, destination, quantity, and quote workflow.

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Established 1948
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Material: Steel
Size: 2-1/2 IN
Type: Compression EMT Connector

Description

Product overview

2 1/2" EMT Compression Type Connector

Manufacturer highlights

Topazs compression type steel constructed EMT connectors offer ease of use and provide a secure, concrete tight joining of thin wall EMT conduit. Asse...

Topazs compression type steel constructed EMT connectors offer ease of use and provide a secure, concrete tight joining of thin wall EMT conduit. Assemblies include zinc plated steel locknut. All models available in sizes from 1/2 to 4; fabricated from strong, resilient steel with a zinc plated finish to ensure mechanical protection; UL listed, NEMA/ANSI FB-1 compliant; always in stock and ready for fast delivery.

Compression type connectors and couplings
Concrete tight
Connectors: Assembled with a steel locknut
Connectors: Available with insulated throat

Additional manufacturer notes

Short name: TPZ
Feed description: TPZ 657S 2-1/2"EMT COMP.STL.CONN 12
Invoice description: 2-1/2"EMT COMP.STL.CONN 12PK

Specifications

UPC: 751338168411

UNSPSC: 39121434

Country of Origin: MUL

Material: Steel

Size: 2-1/2 IN

Type: Compression EMT Connector

Connection: Threaded x Compression

Connectors (IN): Threaded x Compression IN

Diameter: 3.688 IN

Finish: Zinc Plated

For Use With: Join EMT To Box or Enclosure

Insulation: None

Label Description: EMT CONNECTORS

Length: 3.875 IN

Material: Steel

Size: 2-1/2 IN

Size (IN): 2 1/2" IN

Size (trade) (IN): 2-1/2" IN

Standard: UL 514B, UL File Number E148716, US Federal Specification Number A-A-50553, CSA Certified, NEMA/ANSI FB-1, Military Specification:W-F-406D, W-F-406E, W-F-408D, W-S-610D

Thread Length: 0.750 IN

Type: Compression EMT Connector

Manufacturer keywords: 2-1/2"EMT&RIGID COMP.STL.CONN

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$12.61 / EA

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Specification comparison

Scan the attributes that differ across these alternatives.

821RT View key specs

SKU: 821RT
Price: $2.04 / EA
Availability: 12 available
Color: Silver
Connection: —
Connectors (IN): —
Diameter: —
Finish: —
For Use With: —

View full product details

820RT View key specs

SKU: 820RT
Price: $1.46 / EA
Availability: 22 available
Color: Silver
Connection: —
Connectors (IN): —
Diameter: —
Finish: —
For Use With: —

View full product details

656S View key specs

SKU: 656S
Price: $3.77 / EA
Availability: Available to order
Color: —
Connection: Threaded x Compression
Connectors (IN): Threaded x Compression IN
Diameter: 2.938 IN
Finish: Zinc Plated
For Use With: Join EMT To Box or Enclosure

View full product details

657I View key specs

SKU: 657I
Price: $20.75 / EA
Availability: Available to order
Color: —
Connection: Threaded x Compression
Connectors (IN): —
Diameter: 3.70 IN
Finish: —
For Use With: Join EMT To Box or Enclosure

View full product details

658I View key specs

SKU: 658I
Price: $24.27 / EA
Availability: Available to order
Color: —
Connection: Threaded x Compression
Connectors (IN): —
Diameter: 4.49 IN
Finish: —
For Use With: Join EMT To Box or Enclosure

View full product details

658S View key specs

SKU: 658S
Price: $12.61 / EA
Availability: Available to order
Color: —
Connection: Threaded x Compression
Connectors (IN): Threaded x Compression IN
Diameter: 4.313 IN
Finish: Zinc Plated
For Use With: Join EMT To Box or Enclosure

View full product details

Attribute	821RT Steel EMT compression connector. concrete tight and rain tight. Trade Size 3/4".	820RT Steel EMT compression connector. concrete tight and rain tight. Trade Size 1/2".	656S 2" EMT Compression Type Connector	657I 2 1/2 IN EMT CONNECTORS - COMPRESSION TYPE INSULATED THROAT - ZINC	658I 3 IN EMT CONNECTORS - COMPRESSION TYPE INSULATED THROAT - ZINC	658S 3" EMT Compression Type Connector
Price	$2.04 / EA	$1.46 / EA	$3.77 / EA	$20.75 / EA	$24.27 / EA	$12.61 / EA
Availability	12 available	22 available	Available to order	Available to order	Available to order	Available to order
Color	Silver	Silver	—	—	—	—
Connection	—	—	Threaded x Compression	Threaded x Compression	Threaded x Compression	Threaded x Compression
Connectors (IN)	—	—	Threaded x Compression IN	—	—	Threaded x Compression IN
Diameter	—	—	2.938 IN	3.70 IN	4.49 IN	4.313 IN
Finish	—	—	Zinc Plated	—	—	Zinc Plated
For Use With	—	—	Join EMT To Box or Enclosure	Join EMT To Box or Enclosure	Join EMT To Box or Enclosure	Join EMT To Box or Enclosure
Insulation	—	—	None	Insulated Throat	Insulated Throat	None
Label Description	—	—	EMT CONNECTORS	—	—	EMT CONNECTORS
Length	—	—	3.188 IN	2.63 IN	2.77 IN	4.375 IN
Material	Steel	Steel	Steel	Die Cast Zinc	Die Cast Zinc	Steel
Size	L(1.657) x W(1.375) x H(1.375) IN	L(1.608) x W(1.125) x H(1.125) IN	2 IN	2-1/2 IN	3 IN	3 IN
Size (IN)	—	—	2" IN	—	—	3" IN
Size (trade) (IN)	—	—	2" IN	—	—	3" IN
Standard	CULUS	CULUS	UL 514B, UL File Number E148716, US Federal Specification Number A-A-50553, CSA Certified, NEMA/ANSI FB-1, Military Specification:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 514B, UL File Number E148716, US Federal Specification Number A-A-50553, CSA Certified, NEMA/ANSI FB-1, Military Specification:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 514B, UL File Number E148716, US Federal Specification Number A-A-50553, CSA Certified, NEMA/ANSI FB-1, Military Specification:W-F-406D, W-F-406E, W-F-408D, W-S-610D	UL 514B, UL File Number E148716, US Federal Specification Number A-A-50553, CSA Certified, NEMA/ANSI FB-1, Military Specification:W-F-406D, W-F-406E, W-F-408D, W-S-610D
Thread Length	—	—	0.688 IN	0.860 IN	1.01 IN	0.938 IN
Type	—	—	Compression EMT Connector	Compression EMT Connector	Compression EMT Connector	Compression EMT Connector

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657S

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Key specs

Description

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Manufacturer highlights

Additional manufacturer notes

Specifications

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821RT

820RT

656S

657I

658I

658S

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