AN4C55A
View detailed technical data, stock status, and sourcing information for: AN4C55A
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5306 Bolts
National Stock Number
5306-00-824-9256
Item Name Code
01847
Assigment Date
01/01/1962 (64 years ago)
0.468 inches minimum thread length, right-hand thread direction, 5.656 inches nominal fastener length, 3a thread class, hexagon head style
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
- 0.468 inches minimum
- Fastener Length
- 5.656 inches nominal
- Head Style
- hexagon
- Head Height
- 0.140 inches minimum and 0.172 inches maximum
- Width Between Flats
- 0.428 inches minimum and 0.440 inches maximum
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 5.188 inches nominal
- Features Provided
- finished head
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Hardness Rating
- 26.0 rockwell c minimum and 32.0 rockwell c maximum overall
- Material
- steel corrosion resisting overall
- Material Document And Classification
- qq-s-770 fed spec single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- mil-b-6812 mil spec single treatment response overall
- 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 |
|---|---|
| AN4C55A | Machine Bolt |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5306-00-824-9256?
The FSCG of the NSN 5306-00-824-9256 is 5306
Does the NSN 5306-00-824-9256 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5306-00-824-9256 require demilitarization?
Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Does NSN 5306-00-824-9256 contain precious materials?
Precious metal content is unknown
Does NSN 5306-00-824-9256 contain hazardous materials?
Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
When the NSN 5306-00-824-9256 was assigned to the Federal Catalog?
It was assigned 64 years ago, on Mon, Jan 1, 1962
Professional Distribution
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Pricing
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In Stock
This item is currently available and ready for prompt shipment. Units may be offered in various conditions — new, surplus, or refurbished — and stored at verified global facilities. Request a quote to confirm current stock and delivery time.
| New Surplus | 6 |
| New Material | 365 |
| Total | 371 |
Availability of this item was last updated on:
01/28/2026 05:01 PM EST.
Stock levels and pricing are subject to change.