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557
SKU: 557-TOPAZ
MPN: 557
Key specs
View all- Size
- 2-1/2 IN
- Type
- Grounding Locknut
Description
Product overview
2-1/2" Steel Grounding Locknuts
2-1/2" Steel Grounding Locknuts
Manufacturer highlights
Topazs Grounding Locknuts are designed for use with threaded conduit when additional locking and grounding connections are necessary. Heavy gauge stee...
Topazs Grounding Locknuts are designed for use with threaded conduit when additional locking and grounding connections are necessary. Heavy gauge steel construction maintains product integrity and performance. Serrated teeth design enables better bite into box to prevent loosening of the connection. Always in stock and ready for fast delivery in sizes from 1/2 to 4; UL listed.
- Suitable for use in concrete
- Tapered threaded hubs-NPT
- Internal grounding screw
- Suitable for wet locations when used with cover and neoprene gasket
Additional manufacturer notes
- Feed description
- TPZ 557 2-1/2" GND LOCKNUT 50-PK
- Invoice description
- 2-1/2" GND LOCKNUT 50-PK
Specifications
- UPC
- 751338153103
- UNSPSC
- 31161716
- Country of Origin
- MUL
- Size
- 2-1/2 IN
- Type
- Grounding Locknut
- For Use With
- Rigid-IMC Conduit
- Height
- 0.185 in
- Height (IN)
- 0.185 IN
- Label Description
- GROUNDING LOCKS- STEEL
- Material of Construction
- Steel
- Outer Diameter
- 3.55 IN
- Size
- 2-1/2 IN
- Size (IN)
- 2-1/2" IN
- Standard
- UL 514B, UL File Number E323726, cULus, US Federal Specification Number A-A-50552, NEMA/ANSI FB-1, Military Specification Number W-F-406D, W-F-406E, W-F-408D, W-S-610D
- Thread Pitch Diameter
- 2.777-2.788 IN
- Thread Size
- 2.5 to 8 in
- Threads per Inch (IN)
- 8 IN
- Type
- Grounding Locknut
- Manufacturer keywords
- 2-1/2" GND LOCKNUT 50-PK
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Specification comparison
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