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5305-00-033-4887

Find complete technical information, availability, and procurement data for: 5305-00-033-4887

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5305-00-033-4887
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-033-4887
Item Name Code
18257
Assigment Date
01/01/1963 (63 years ago)

An externally threaded fastener designed for insertion into holes in assembled parts, for mating with a preformed internal thread and for tightening or releasing by torquing the head. The threaded and unthreaded portions are both of the same nominal diameter of 0.190 inch (5 mm) or larger. Head dimensions and sizes of threaded and unthreaded portions shall conform to internationally recognized fastener standards. The thread length being the controlled dimension, the grip length is not specified. A locking feature may be incorporated in the design of the head or threads. The head is not designed to be held or driven with an inserted driver or by the thumb and fingers. Excludes:bolt,machine; bolt,externally relieved body; bolt,internal wrenching; and screw,cap,socket head.

0.452 inches minimum and 0.552 inches maximum thread length, hexagon head style, 0.552 inches minimum and 0.572 inches maximum fastener length, right-hand thread direction, 0.146 inches minimum and 0.166 inches maximum head height

Product Characteristics

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

Thread Direction
right-hand
Thread Length
0.452 inches minimum and 0.552 inches maximum
Fastener Length
0.552 inches minimum and 0.572 inches maximum
Head Style
hexagon
Head Height
0.146 inches minimum and 0.166 inches maximum
Width Between Flats
0.438 inches nominal
Nominal Thread Diameter
0.250 inches
Nonstandard Thread Pitch Diameter
+0.2216 to 0.2238 inches
Thread Quantity Per Inch
20
Hardness Rating
30.0 rockwell c minimum and 38.0 rockwell c maximum overall
Criticality Code Justification
feat
Special Features
essential to wpn sys performance and operation. failure could cause catastrophic or critical failure resulting in the loss of or serious damage to the aircraft or weapon sys or in uncommanded engine shutdown
Material
steel corrosion resisting overall
Material Document And Classification
ams 5616 assn std single material response overall
Surface Treatment
passivate overall
Thread Series Designator
unf

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
231648 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-033-4887?
The FSCG of the NSN 5305-00-033-4887 is 5305
Does the NSN 5305-00-033-4887 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-033-4887 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 5305-00-033-4887 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-033-4887 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 5305-00-033-4887 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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