P1377, P4377, P5077 & P5577 - 4 Hole U-Shaped Splice
| Part No. | Use With | A | Finish | Product Weight / Piece (lbs) |
|---|---|---|---|---|
| P1377 | P1000, P1100, P2000 | 1-9/16" | EG | 2.65 |
| P1377 | P1000, P1100, P2000 | 1-9/16" | HG | 2.809 |
| P1377 | P1000, P1100, P2000 | 1-9/16" | GR | 2.65 |
| P1377 | P1000, P1100, P2000 | 1-9/16" | ZD | 2.65 |
| P1377 | P1000, P1100, P2000 | 1-9/16" | SS | 2.65 |
| P4377 | P3300, P4000, P4100 | 15/16" | EG | 1.76 |
| P4377 | P3300, P4000, P4100 | 15/16" | HG | 1.76 |
| P4377 | P3300, P4000, P4100 | 15/16" | GR | 1.76 |
| P5077 | P5000 | 3-3/16" | EG | 3.8 |
| P5077 | P5000 | 3-3/16" | GR | 3.8 |
| P5577 | P5500 | 2-3/8" | EG | 2.94 |
| P5577 | P5500 | 2-3/8" | GR | 2.94 |
Design Loads (Slot Up)
| Design Loads - P1377 (Slot Up) | |||
|---|---|---|---|
| Average Ultimate Load "P" (lbs) |
Average Ultimate Bending Moment "A" (in-lbs) |
Average ultimate Bending Moment with 3 SF (in-lbs) |
Design Bending Moment (in-lbs) |
| 5,700 | 16,300 | 5,400 | 5,080 |
Notes:
- Design Bending Moment only apply to UNISTRUT brand products. Look for "UNISTRUT" on the part.
- Design Bending Moment is based on static testing with a Safety Factor = 3.2 and is limited to the P1000 Bending Moment.
- 1/2" Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.
- Design Bending Moment applies only to the P1377 part number.
Design Loads (Slot Down)
| Design Loads - P1377 (Slot Down) | |||
|---|---|---|---|
| Average Ultimate Load "P" (lbs) |
Average Ultimate Bending Moment (in-lbs) |
Average Ultimate Bending Moment with 3 SF (in-lbs) |
Design Bending Moment (in-lbs) |
| 2,800 | 21,000 | 7,000 | 5,080 |
Notes:
- Design Bending Moment only apply to UNISTRUT brand products. Look for "UNISTRUT" on the part.
- Design Bending Moment is based on static testing with a Safety Factor = 4.1 and is limited to the P1000 Bending Moment.
- 1/2" Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.
- Design Bending Moment applies only to the P1377 part number.
Design Loads (P1001 Splice)
| Design Loads - P1377 (P1001 Splice) | ||
|---|---|---|
| Average Ultimate Load "P" (lbs) |
Average Ultimate Bending Moment (in-lbs) |
Design Bending Moment (in-lbs) |
| 10,200 | 61,200 | 20,400 |
Notes:
- Design Bending Moment only apply to UNISTRUT brand products. Look for "UNISTRUT" on the part.
- Design Bending Moment is based on static testing with a Safety Factor = 3.0 to the Average Ultimate Bending Moment.
- 1/2" Unistrut Channel Nut and Cap Screw torqued to 50 ft-lbs required for installation.
- Design Bending Moment applies only to the P1377 part number and used in pairs, as shown.
General Specifications
Standard Dimensions (Unless Shown Otherwise on Drawing):
- Hole Diameter: 9/16" (14mm)
- Hole Spacing (From End): 13/16" (21mm)
- Hole Spacing (On-Center): 1 7/8" (48mm)
- Width: 1 5/8" (41mm)
- Thickness:
- 1/4" (6.4mm) with steel meeting or exceeding ASTM A1011 SS GR 33, or
- 0.220" (5.6mm) with steel meeting or exceeding ASTM A1011 HSLAS GR 45
Note:
- When used for mechanical supports, load capacities of brackets and fittings should be in compliance with the American Standard Code for Pressure Piping.
Materials & Finishes
Materials & Finishes - Standard:
- Base Metal: Steel conforms to ASTM A1011 SS GR 33, A1011 HSLAS GR 45, A36, A575, A576, or A635.
- Electrogalvanized (EG): Conforms to ASTM B633, Type III SC1
- Unistrut Defender (DF): Conforms to ASTM A1059
- Hot Dip Galvanized (HG): Conforms to ASTM A123 or A153
- Perma-Green (GR): Conforms to commercial standards for powder coating
- Perma-Gold (ZD): Conforms to ASTM B633, Type II SC1 or SC3
- Plain (PL): No finish
Materials & Finishes - Special Metals:
- Stainless Steel, Type 304 (SS): Conforms to ASTM A240 or A276, Type 304 *
- Stainless Steel, Type 316 (ST): Conforms to ASTM A240 or A276, Type 316 *
- Aluminum (AL): Conforms to ASTM B209, Type 1100F or 5052-H32 *
* These materials have different physical properties and performance characteristics. Please contact us for design support.