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5305-00-903-2198

Find complete technical information, availability, and procurement data for: 5305-00-903-2198

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5305-00-903-2198
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-903-2198
Item Name Code
18257
Assigment Date
01/01/1960 (66 years ago)

A resilient metal item, circular or nearly circular, which is designed to be inserted into an internal or external groove and retained by its own spring action, or it may have external prongs or projections designed to be inserted into a hole and retained by spring action of the prongs which grip by imbedding into the material. For items having internal prongs which perform the same function, see push on nut. It is used to keep and/or lock a part(s) in position, as a ball bearing on a shaft or in a housing. See also clip, retaining and pin, lock. Excludes:ring, connecting, round.

2a thread class, right-hand thread direction, hexagon head style, 0.844 inches minimum and 0.875 inches maximum fastener length, 0.875 inches maximum thread length

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
0.875 inches maximum
Fastener Length
0.844 inches minimum and 0.875 inches maximum
Head Style
hexagon
Head Height
0.302 inches minimum and 0.323 inches maximum
Width Between Flats
0.736 inches minimum and 0.750 inches maximum
Nominal Thread Diameter
0.500 inches
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
Surface Finish
63.0 microinches threads
Material
steel comp 301 or steel comp 302 or steel comp 303 or steel comp 303f or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 323 or steel comp 324 or steel comp 347 or steel comp 348 or steel comp 385 or steel comp 384 overall
Surface Treatment
passivate overall
Thread Series Designator
unf
Nondefinitive Spec/Std Data
2 type or 10p style

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
MS35308-408 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-903-2198?
The FSCG of the NSN 5305-00-903-2198 is 5305
Does the NSN 5305-00-903-2198 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-903-2198 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 5305-00-903-2198 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-903-2198 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 5305-00-903-2198 was assigned to the Federal Catalog?
It was assigned 66 years ago, on Fri, Jan 1, 1960

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