1227M1
View detailed technical data, stock status, and sourcing information for: 1227M1
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A tubular shaped unthreaded item with or without a flange at one end designed to be inserted into a hole to reduce the inside diameter of the hole and to protect the surrounding body structure from damage resulting from stress, strain, and/or vibration. The overall length must exceed 25 percent of the outside diameter or the shortest distance between peripheral flats of the body. Includes items which are divided into two or more segments which includes 180 degrees (3.141 radians) or less of the bearing periphery. For items made of rubber, see bushing, nonmetallic. See also bearing, sleeve; bushing, tapered; spacer, sleeve; insulator, bushing; and bushing, electrical conductor. Excludes:bushing, drill, jig.
chamfered first end style, 0.438 inches nominal shoulder diameter, 0.245 inches minimum and 0.255 inches maximum shank diameter, 0.6277 inches minimum and 0.6307 inches maximum shank length, square second end style
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- First End Style
- chamfered
- Second End Style
- square
- Shank Length
- 0.6277 inches minimum and 0.6307 inches maximum
- Shoulder Diameter
- 0.438 inches nominal
- Shank Diameter
- 0.245 inches minimum and 0.255 inches maximum
- Overall Length
- 2.031 inches nominal
- Undercut Diameter
- 0.185 inches minimum and 0.195 inches maximum
- Undercut Width
- 0.070 inches minimum and 0.075 inches maximum
- First End Taper Length
- 0.016 inches nominal
- Second End Relationship With First End
- not identical
- Hardness Rating
- 70.0 rockwell b maximum overall
- Second Shank Diameter
- 0.307 inches minimum and 0.309 inches maximum
- First End Location
- long end
- First End Taper Angle
- 45.0 degrees nominal
- Second Shank Length
- 0.6277 inches minimum and 0.6307 inches maximum
- Special Features
- flat of larger dia end of shank is drilled 0.219 in. dia 0.250 in. deep
- Material
- steel overall
- Surface Treatment
- cadmium or zinc overall
- Style Designator
- undercut
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 |
|---|---|
| 1227M1 | Headless Shoulder Pin |
| 12EHW14 | Headless Shoulder Pin |
| 1846K37 | Headless Shoulder Pin |
| 2797P42 | Headless Shoulder Pin |
| F4399 | Headless Shoulder Pin |
| F4399A | Headless Shoulder Pin |
| F4399B | Headless Shoulder Pin |
| FC4399 | Headless Shoulder Pin |
| FC4399A | Headless Shoulder Pin |
| FC4399B | Headless Shoulder Pin |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5315-00-516-0355?
Does NSN 5315-00-516-0355 require demilitarization?
Does NSN 5315-00-516-0355 contain precious materials?
Does NSN 5315-00-516-0355 contain hazardous materials?
When the NSN 5315-00-516-0355 was assigned to the Federal Catalog?
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