ST3M455-3L20-1
View detailed technical data, stock status, and sourcing information for: ST3M455-3L20-1
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A headed, threaded fastening device over which may be assembled; (1) a stand-off; (2) a flanged bushing with washer(s) and/or a shouldered bushing without a flange, or it may have an internally threaded sleeve that is an integral part of the screw; a washer and an externally thread self-locking bushing that is driven by an inserted driver. Attached to panel by threaded bushing or by flaring end of stand-off, or bushing. Used in conjunction with a speed nut, nut plate, or driven into a threaded hole in the item that the panel is fastened to. May be spring loaded.
oval countersunk head style, 1.641 inches minimum and 1.671 inches maximum fastener length, 3a thread class, 0.381 inches minimum and 0.431 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
- 0.381 inches minimum and 0.431 inches maximum
- Fastener Length
- 1.641 inches minimum and 1.671 inches maximum
- Head Style
- oval countersunk
- Head Diameter
- 0.297 inches minimum and 0.302 inches maximum
- Grip Diameter
- 0.1890 inches minimum and 0.1895 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.190 inches
- Grip Length
- 1.240 inches minimum and 1.260 inches maximum
- Thread Quantity Per Inch
- 32
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel corrosion resisting overall
- Material Document And Classification
- 23-112 fscm 76301 mfr ref single material response overall
- Surface Treatment
- passivate 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 |
|---|---|
| 10115344 | Close Tolerance Screw |
| 11907-3L20-1 | Close Tolerance Screw |
| HT4024L3-20 | Close Tolerance Screw |
| ST3M455-3L20-1 | Close Tolerance Screw |
| WC4024L3-20 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-01-133-4474?
Does the NSN 5305-01-133-4474 have a Schedule B code assigned?
Does NSN 5305-01-133-4474 require demilitarization?
Does NSN 5305-01-133-4474 contain precious materials?
Does NSN 5305-01-133-4474 contain hazardous materials?
When the NSN 5305-01-133-4474 was assigned to the Federal Catalog?
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