NMC557-20A
View detailed technical data, stock status, and sourcing information for: NMC557-20A
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An item of any peripheral shape having flanges or groove(s) on its outer perimeter to provide a self-retaining characteristic when inserted in a hole, clamp, or the like. Designed for the purpose of protecting and/or insulating wires, cables and other items passing through it. Excludes:bushing, nonmetallic; bumper; and insulator bushing.
0.060 inches minimum and 0.070 inches maximum groove width, 0.250 inches nominal overall height, round grommet style, 0.080 inches minimum and 0.100 inches maximum flange thickness, 1.250 inches nominal hole diameter
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Hole Diameter
- 1.250 inches nominal
- Groove Width
- 0.060 inches minimum and 0.070 inches maximum
- Flange Thickness
- 0.080 inches minimum and 0.100 inches maximum
- Overall Height
- 0.250 inches nominal
- Grommet Style
- round
- Large Flange Outside Diameter
- 1.490 inches minimum and 1.510 inches maximum
- Groove Outside Diameter
- 1.351 inches nominal
- Grommet Construction Type
- split
- Material
- plastic overall
- Material Document And Classification
- mil-m-20693 ty1 mil spec single material response overall
- Specification/Standard Data
- 80205-nas557 professional/industrial association standard
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 5325-00-489-5162 | No Name Available | 05/20/1973 |
Related Parts
This NSN group includes multiple components designed to meet specific performance and operational standards. Each listing provides detailed specs, functionality data, and replacement compatibility information:
| Part Number | Name |
|---|---|
| NAS557-20 | Nonmetallic Grommet |
| NAS557-20A | Nonmetallic Grommet |
| NMC557-20A | Nonmetallic Grommet |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5325-00-558-7653?
Does the NSN 5325-00-558-7653 have a Schedule B code assigned?
Does NSN 5325-00-558-7653 require demilitarization?
Does NSN 5325-00-558-7653 contain precious materials?
Does NSN 5325-00-558-7653 contain hazardous materials?
When the NSN 5325-00-558-7653 was assigned to the Federal Catalog?
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Pricing
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