5306-00-421-7749
Find complete technical information, availability, and procurement data for: 5306-00-421-7749
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A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)
round w/wrench flats chamfered head style, 1.640 inches minimum and 1.650 inches maximum fastener length, 3a thread class, 0.560 inches minimum and 0.580 inches maximum thread length, right-hand thread direction
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
- 0.560 inches minimum and 0.580 inches maximum
- Fastener Length
- 1.640 inches minimum and 1.650 inches maximum
- Head Style
- round w/wrench flats chamfered
- Head Diameter
- 0.880 inches nominal
- Head Height
- 0.450 inches minimum and 0.460 inches maximum
- Width Between Flats
- 0.530 inches nominal
- First Diameter From Head
- 0.5145 inches minimum and 0.5200 inches maximum
- Second Diameter From Head
- 0.360 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.730 inches minimum and 0.740 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 1.100 inches minimum and 1.110 inches maximum
- Nominal Thread Diameter
- 0.438 inches
- Thread Quantity Per Inch
- 20
- Hardness Rating
- 32.0 rockwell c minimum and 36.0 rockwell c maximum overall
- Criticality Code Justification
- aawc
- Externally Relieved Body Diameter Quantity
- 2
- Special Features
- outer edge of one wrench flat chamfered 45 deg to a depth of 0.340 in. min,0.360 in. max
- Material
- steel comp 8740 overall
- Material Document And Classification
- ams 6322 assn std single material response overall
- Surface Treatment
- cadmium overall
- Surface Treatment Document And Classification
- ams 2400 assn std single treatment response overall
- Test Data Document
- "81343-ams 2640 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
- Thread Series Designator
- unf
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 |
|---|---|
| 232285Y30 | Externally Relieved Body Bolt |
FAQs
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When the NSN 5306-00-421-7749 was assigned to the Federal Catalog?
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