AS320-201
View detailed technical data, stock status, and sourcing information for: AS320-201
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An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.
double chamfer head style, 2.710 inches nominal fastener length, 3a thread class, 0.452 inches minimum and 0.467 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
- 0.452 inches minimum and 0.467 inches maximum
- Fastener Length
- 2.710 inches nominal
- Head Style
- double chamfer
- Head Diameter
- 0.688 inches nominal
- Head Height
- 0.830 inches nominal
- Locking Feature
- detent ball grip
- First Diameter From Head
- 0.374 inches minimum and 0.375 inches maximum
- Second Diameter From Head
- 0.298 inches minimum and 0.308 inches maximum
- Distance From Largest Bearing Surface Of Head To End Of First Diameter
- 0.380 inches nominal
- Distance From Largest Bearing Surface Of Head To End Of Second Diameter
- 0.493 inches minimum and 0.508 inches maximum
- Internal Drive Style
- square
- Nominal Thread Diameter
- 0.375 inches
- Width Across Flats
- 0.378 inches minimum and 0.385 inches maximum
- Thread Quantity Per Inch
- 24
- Externally Relieved Body Diameter Quantity
- 1
- Special Features
- head design in three section; from top 0.250 in. length,0.688 in. dia.,0.770 in. length,0.440 in. dia.,0.830 in. length,0.630 in. dia.; point shank from threaded end,1.750 in. length,0.249 in. min. and 0.250 in. max. dia.;hole in shank,from head 1.750 in. to center of hole 0.0627 in. min. and 0.0631 in. max. dia. supplied with plunger and plug
- Material
- steel comp 630 spring
- Material Document And Classification
- ams5643 assn std single material response spring
- Surface Treatment
- cadmium and chromate fastener
- Surface Treatment
- passivate spring
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response spring
- Surface Treatment Document And Classification
- qq-p-416,type 2 class 3 fed spec single treatment response fastener
- Thread Series Designator
- unjf
Replaces National Stock Numbers
Below is a list of NSNs that have been officially superseded by this NSN:
| NSN | Name | Date |
|---|---|---|
| 1560-01-150-6666 | No Name Available | 08/01/2003 |
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 |
|---|---|
| 10113563 | Externally Relieved Body Screw |
| 74B738006-201 | Externally Relieved Body Screw |
| AS320-201 | Externally Relieved Body Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-232-6713?
Does the NSN 5305-01-232-6713 have a Schedule B code assigned?
Does NSN 5305-01-232-6713 require demilitarization?
Does NSN 5305-01-232-6713 contain precious materials?
Does NSN 5305-01-232-6713 contain hazardous materials?
When the NSN 5305-01-232-6713 was assigned to the Federal Catalog?
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