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5305-00-018-0129

Find complete technical information, availability, and procurement data for: 5305-00-018-0129

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5305-00-018-0129
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-018-0129
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.

hexagon head style, 1.812 inches minimum and 1.875 inches maximum fastener length, 1.000 inches minimum and 1.188 inches maximum thread 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
1.000 inches minimum and 1.188 inches maximum
Fastener Length
1.812 inches minimum and 1.875 inches maximum
Head Style
hexagon
Head Height
0.226 inches minimum and 0.243 inches maximum
Width Between Flats
0.551 inches minimum and 0.562 inches maximum
Nominal Thread Diameter
0.375 inches
Thread Quantity Per Inch
16
Minimum Tensile Strength
120000 pounds per square inch
Hardness Rating
23.0 rockwell c minimum and 30.0 rockwell c maximum overall
Minimum Yield Strength
85000 pounds per square inch
Material
steel overall
Material Document And Classification
sae grade5 assn std single material response overall
Surface Treatment
cadmium or zinc overall
Thread Series Designator
unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5305-00-010-8598 No Name Available 02/22/1985
5305-00-012-2174 No Name Available 02/01/1983
5305-00-208-8538 No Name Available 10/01/1982
5305-00-266-6289 No Name Available 12/01/1982
5305-00-400-5560 No Name Available 07/14/1969
5305-00-470-3415 No Name Available 07/11/1971

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
179846 Hexagon Head Cap Screw
180129 Hexagon Head Cap Screw
201809A Hexagon Head Cap Screw
20514S7 Hexagon Head Cap Screw
215507 Hexagon Head Cap Screw
5305-018-0129 Hexagon Head Cap Screw
5305000180129 Hexagon Head Cap Screw
PC180129 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-018-0129?
The FSCG of the NSN 5305-00-018-0129 is 5305
Does the NSN 5305-00-018-0129 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-018-0129 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 5305-00-018-0129 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-018-0129 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 5305-00-018-0129 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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