4-48NF3X1-4LG
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An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes:items with bevel (conical) heads. See bolt, internal wrenching. Excludes:screw, shoulder; and screw, machine.
right-hand thread direction, 3a thread class, 0.172 inches minimum and 0.250 inches maximum thread length, flat chamfer head style, 0.220 inches minimum and 0.250 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
- 0.172 inches minimum and 0.250 inches maximum
- Fastener Length
- 0.220 inches minimum and 0.250 inches maximum
- Head Style
- flat chamfer
- Head Diameter
- 0.176 inches minimum and 0.183 inches maximum
- Head Height
- 0.108 inches minimum and 0.112 inches maximum
- Hole Diameter
- 0.033 inches minimum and 0.039 inches maximum
- Internal Drive Style
- hexagon
- Nominal Thread Diameter
- 0.112 inches
- Width Across Flats
- 0.094 inches minimum and 0.095 inches maximum
- Hole Quantity
- 2
- Hole Type
- drilled
- Thread Quantity Per Inch
- 48
- Minimum Tensile Strength
- 80000 pounds per square inch
- Hardness Rating
- 80.0 rockwell b minimum overall
- Minimum Yield Strength
- 30000 pounds per square inch
- Hole Configuration Style
- round internal hexagon
- Material
- steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
- Material Document And Classification
- 66 fed std all material responses overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response overall
- Thread Series Designator
- unrf
- Specification/Standard Data
- 80205-nas1351 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Below is a list of NSNs that have been officially superseded by this NSN: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 |
|---|---|---|
| 5305-00-056-9764 | No Name Available | 03/01/1995 |
| 5305-00-143-1759 | No Name Available | 07/06/1998 |
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 |
|---|---|
| 4-48NF3X1-4LG | Socket Head Cap Screw |
| NAS1351C04H4 | Socket Head Cap Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-052-9571?
Does the NSN 5305-00-052-9571 have a Schedule B code assigned?
Does NSN 5305-00-052-9571 require demilitarization?
Does NSN 5305-00-052-9571 contain precious materials?
Does NSN 5305-00-052-9571 contain hazardous materials?
When the NSN 5305-00-052-9571 was assigned to the Federal Catalog?
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