WC8137-4-7
View detailed technical data, stock status, and sourcing information for: WC8137-4-7
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-324-8520
Item Name Code
29294
Assigment Date
11/28/1973 (52 years ago)
0.442 inches minimum and 0.509 inches maximum thread length, 0.890 inches minimum and 0.937 inches maximum fastener length, right-hand thread direction, 3a thread class, flat countersunk undercut 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
- 0.442 inches minimum and 0.509 inches maximum
- Fastener Length
- 0.890 inches minimum and 0.937 inches maximum
- Head Style
- flat countersunk undercut
- Head Diameter
- 0.501 inches minimum and 0.506 inches maximum
- Head Height
- 0.071 inches minimum and 0.073 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
- 0.428 inches minimum and 0.448 inches maximum
- Thread Quantity Per Inch
- 28
- Countersink Angle
- 100.0 degrees minimum
- Surface Finish
- 32.0 microinches grip
- Surface Finish
- 32.0 microinches threads
- Material
- titanium alloy uns r54520 overall
- Material Document And Classification
- nas 621,6al-4v assn std single material 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 |
|---|---|
| 110179-4-7 | Close Tolerance Screw |
| BM33024V4-7 | Close Tolerance Screw |
| HT271-4-7 | Close Tolerance Screw |
| HT8137-4-7 | Close Tolerance Screw |
| ST3M430V4-7D | Close Tolerance Screw |
| WC8137-4-7 | Close Tolerance Screw |
FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-324-8520?
The FSCG of the NSN 5305-00-324-8520 is 5305
Does the NSN 5305-00-324-8520 have a Schedule B code assigned?
Yes, the Schedule B code is 8109900000
Does NSN 5305-00-324-8520 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 5305-00-324-8520 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-324-8520 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 5305-00-324-8520 was assigned to the Federal Catalog?
It was assigned 52 years ago, on Wed, Nov 28, 1973
Professional Distribution
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- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
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