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5305-00-908-0998

Find complete technical information, availability, and procurement data for: 5305-00-908-0998

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5305-00-908-0998
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-908-0998
Item Name Code
18257
Assigment Date
01/01/1960 (66 years ago)

0.494 inches minimum and 0.625 inches maximum thread length, hexagon head style, 0.594 inches minimum and 0.625 inches maximum fastener length, right-hand thread direction, 2a thread class

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Thread Class
2a
Thread Direction
right-hand
Thread Length
0.494 inches minimum and 0.625 inches maximum
Fastener Length
0.594 inches minimum and 0.625 inches maximum
Head Style
hexagon
Head Height
0.150 inches minimum and 0.163 inches maximum
Width Between Flats
0.428 inches minimum and 0.438 inches maximum
Locking Feature
pellet threads
Nominal Thread Diameter
0.250 inches
Features Provided
finished head
Thread Quantity Per Inch
20
Minimum Tensile Strength
80000 pounds per square inch
Hardness Rating
80.0 rockwell b minimum overall
Minimum Yield Strength
30000 pounds per square inch
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
passivate overall
Surface Treatment Document And Classification
qq-p-35 fed spec single treatment response overall
Thread Series Designator
unc

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
2009532-8 Hexagon Head Cap Screw

FAQs

Find helpful answers about installation, operation, maintenance, compliance, and troubleshooting.

What is the FSCG of the NSN 5305-00-908-0998?
The FSCG of the NSN 5305-00-908-0998 is 5305
Does NSN 5305-00-908-0998 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 5305-00-908-0998 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-00-908-0998 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 5305-00-908-0998 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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