J643P12A
View detailed technical data, stock status, and sourcing information for: J643P12A
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A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.
right-hand thread direction, double hexagon extended washer head style, 0.616 inches minimum and 0.696 inches maximum thread length, 3a thread class, 0.928 inches minimum and 0.948 inches maximum fastener length
Product Characteristics
Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.
- Thread Class
- 3a
- Thread Direction
- right-hand
- Thread Length
- 0.616 inches minimum and 0.696 inches maximum
- Fastener Length
- 0.928 inches minimum and 0.948 inches maximum
- Head Style
- double hexagon extended washer
- Head Height
- 0.248 inches minimum and 0.268 inches maximum
- Width Between Flats
- 0.250 inches nominal
- Extended Washer Diameter
- 0.365 inches minimum and 0.385 inches maximum
- Extended Washer Thickness
- 0.040 inches minimum and 0.050 inches maximum
- End Item Identification
- general electric engines & components, tf-39
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 0.252 inches minimum and 0.312 inches maximum
- Features Provided
- finished head
- Thread Quantity Per Inch
- 32
- Criticality Code Justification
- agav
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- nickel alloy overall
- Material Document And Classification
- c50tf13,cl b,fscm 07482 mfr ref single material response overall
- Thread Series Designator
- unjf
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 |
|---|---|
| 5306PL1495615 | Machine Bolt |
| J643P12A | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-515-0549?
Does the NSN 5306-00-515-0549 have a Schedule B code assigned?
Does NSN 5306-00-515-0549 require demilitarization?
Does NSN 5306-00-515-0549 contain precious materials?
Does NSN 5306-00-515-0549 contain hazardous materials?
When the NSN 5306-00-515-0549 was assigned to the Federal Catalog?
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