ST3M455-4L21-1
View detailed technical data, stock status, and sourcing information for: ST3M455-4L21-1
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-316-8104
Item Name Code
29294
Assigment Date
11/11/1973 (52 years ago)
3a thread class, 1.766 inches minimum and 1.796 inches maximum fastener length, fillister countersunk head style, 0.444 inches minimum and 0.494 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
- 0.444 inches minimum and 0.494 inches maximum
- Fastener Length
- 1.766 inches minimum and 1.796 inches maximum
- Head Style
- fillister countersunk
- Head Diameter
- 0.389 inches minimum and 0.394 inches maximum
- Head Height
- 0.070 inches minimum and 0.074 inches maximum
- Grip Diameter
- 0.2490 inches minimum and 0.2495 inches maximum
- Internal Drive Style
- high-torque
- Nominal Thread Diameter
- 0.250 inches
- Grip Length
- 1.302 inches minimum and 1.322 inches maximum
- Thread Quantity Per Inch
- 28
- Minimum Tensile Strength
- 125000 pounds per square inch
- Countersink Angle
- 99.0 degrees minimum and 101.0 degrees maximum
- Material
- steel corrosion resisting overall
- Material Document And Classification
- ams 5629 assn std single material response overall
- Surface Treatment
- passivate overall
- Surface Treatment Document And Classification
- qq-p-35 fed spec single treatment response 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 |
|---|---|
| 11907-4L21-1 | Close Tolerance Screw |
| HT4024L4-21 | Close Tolerance Screw |
| ST3M455-4L21-1 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-316-8104?
The FSCG of the NSN 5305-00-316-8104 is 5305
Does the NSN 5305-00-316-8104 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-316-8104 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 5305-00-316-8104 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-316-8104 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 5305-00-316-8104 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Sun, Nov 11, 1973
Professional Distribution
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