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5305-00-638-9068

Find complete technical information, availability, and procurement data for: 5305-00-638-9068

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5305-00-638-9068
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-00-638-9068
Item Name Code
18257
Assigment Date
01/01/1963 (63 years ago)

A stud, turnlock fastener over which may be assembled an eyelet, turnlock fastener. Stud(s) without cam slots or cam lead threads are provided with a crosspin or eared nut for locking with the mating receptacle, turnlock fastener. May be spring loaded. For like items having a threaded fastener, see screw assembly, panel or screw, panel fastener.

2a thread class, right-hand thread direction, 1.000 inches minimum and 1.188 inches maximum thread length, 1.250 inches nominal fastener length, hexagon head style

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
1.250 inches nominal
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
80000 pounds per square inch
Material
steel comp 302 or steel comp 303 or steel comp 304 or steel comp 305 or steel comp 316 overall
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

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
5306-00-623-1594 No Name Available 07/05/1967

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
0419-507 Hexagon Head Cap Screw
MS35307-62 Hexagon Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-638-9068?
The FSCG of the NSN 5305-00-638-9068 is 5305
Does the NSN 5305-00-638-9068 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-00-638-9068 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 5305-00-638-9068 contain precious materials?
Precious metal content is unknown
Does NSN 5305-00-638-9068 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 5305-00-638-9068 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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