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5305-00-225-3840

Find complete technical information, availability, and procurement data for: 5305-00-225-3840

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5305-00-225-3840
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-225-3840
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.

0.719 inches minimum and 0.875 inches maximum thread length, hexagon head style, 0.844 inches minimum and 0.875 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
0.719 inches minimum and 0.875 inches maximum
Fastener Length
0.844 inches minimum and 0.875 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
Nominal Thread Diameter
0.250 inches
Thread Quantity Per Inch
20
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
35.0 rockwell c minimum and 34.0 rockwell c maximum overall
Surface Finish
63.0 microinches threads
Material
steel comp 1013 or steel comp 1015 or steel comp 1016 or steel comp 1017 or steel comp 1018 or steel comp 1019 or steel comp 1020 or steel comp 1021 or steel comp 1022 or steel comp 1023 or steel comp 1524 or steel comp 1025 or steel comp 1026 or steel comp 1527 or steel comp 1029 or steel comp 1030 or steel comp 1033 or steel comp 1034 or steel comp 1035 or steel comp 1536 or steel comp 1037 or steel comp 1038 or steel comp 1039 or steel comp 1040 or steel comp 1541 overall
Material Document And Classification
66 fed std all material responses overall
Surface Treatment
cadmium and chromate overall
Surface Treatment Document And Classification
qq-p-416,ty2,cl2 fed spec single treatment response overall
Thread Series Designator
unc
Nondefinitive Spec/Std Data
2 type and 10p style and 5 grade

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-010-6320 No Name Available 09/01/1983
5306-00-077-1776 No Name Available 05/09/1969
5305-00-119-4867 No Name Available 01/10/1969
5305-00-257-3138 No Name Available 01/22/1972
5305-00-426-5956 No Name Available 12/01/1982
5305-00-546-6871 No Name Available 01/01/1960
5305-00-731-3459 No Name Available 09/14/1966
5305-00-824-4346 No Name Available 07/28/1973
5305-00-837-6227 No Name Available 02/10/1967
5305-00-849-2007 No Name Available 01/16/1967
5305-00-899-2084 No Name Available 12/01/1982

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
0251515 Hexagon Head Cap Screw
0702088 Hexagon Head Cap Screw
412-3269 Hexagon Head Cap Screw
5305002253840 Hexagon Head Cap Screw
800-1006 Hexagon Head Cap Screw
907882 Hexagon Head Cap Screw
B0403 15991 Hexagon Head Cap Screw
B0403-1-2 Hexagon Head Cap Screw
M2032-8 Hexagon Head Cap Screw
MS35291 Hexagon Head Cap Screw
MS90725-7 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-225-3840?
The FSCG of the NSN 5305-00-225-3840 is 5305
Does the NSN 5305-00-225-3840 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-225-3840 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 5305-00-225-3840 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-225-3840 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 5305-00-225-3840 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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