250-204B
View detailed technical data, stock status, and sourcing information for: 250-204B
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Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-487-6256
Item Name Code
06657
Assigment Date
01/01/1963 (63 years ago)
flat countersunk head style, 0.167 inches minimum and 0.188 inches maximum thread length, 3a thread class, 0.245 inches minimum and 0.255 inches maximum fastener 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
- 0.167 inches minimum and 0.188 inches maximum
- Fastener Length
- 0.245 inches minimum and 0.255 inches maximum
- Head Style
- flat countersunk
- Head Diameter
- 0.161 inches minimum and 0.164 inches maximum
- Internal Drive Style
- slot
- Nominal Thread Diameter
- 0.086 inches
- Thread Quantity Per Inch
- 64
- Countersink Angle
- 81.0 degrees minimum and 82.0 degrees maximum
- Screw Material
- copper alloy
- Screw Material Document And Classification
- eclipsaloy,no. 88,1/2 h,the bendix corp mfr ref single material response
- Screw Surface Treatment
- oxide
- Screw Surface Treatment Document And Classification
- ps17 fscm 19315 mfr ref single treatment response
- Thread Series Designator
- unf
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FAQs
Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.
What is the FSCG of the NSN 5305-00-487-6256?
The FSCG of the NSN 5305-00-487-6256 is 5305
Does the NSN 5305-00-487-6256 have a Schedule B code assigned?
Yes, the Schedule B code is 7415338550
Does NSN 5305-00-487-6256 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 5305-00-487-6256 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-487-6256 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 5305-00-487-6256 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963
Professional Distribution
Certified to meet the strict requirements of defense, aerospace, and hazardous materials distribution.
- ITAR Registered
- DDTC Registered
- HAZMAT Certified
- AS9120 Quality Standards
- 100% Quality Inspections
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Pricing
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