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5305-01-305-4322

Find complete technical information, availability, and procurement data for: 5305-01-305-4322

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5305-01-305-4322
Federal Supply Group
Hardware and Abrasives
Federal Supply Classification
5305 Screws
National Stock Number
5305-01-305-4322
Item Name Code
16282
Assigment Date
08/05/1989 (37 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in.) (1.5 mm) or larger. It has a round unthreaded neck or shank all or part of which is of greater diameter than the threaded portion. The head is designed to be driven with either a wrench or an inserted driver or both in sizes below no. 10 (0.190 in.) (5 mm) nominal diameter. No. 10 (0.190 in.) (5 mm) and larger sizes must be designed for any type of inserted driver, but may also provide for external wrenching of the head. A locking feature may be incorporated in the design of the head or threads. For items which are both shouldered and have an externally relieved body, use screw, externally relieved body. For items with a no. 10 (0.190 in.) (5 mm) or larger thread diameter without an inserted driver head, use bolt, shoulder. Excludes:bolt, internal wrenching and screw, cap, socket head.

0.845 inches minimum and 0.875 inches maximum fastener length, flat chamfer head style, 3a thread class, right-hand thread direction, 0.745 inches minimum and 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
3a
Thread Direction
right-hand
Thread Length
0.745 inches minimum and 0.875 inches maximum
Fastener Length
0.845 inches minimum and 0.875 inches maximum
Head Style
flat chamfer
Head Diameter
0.365 inches minimum and 0.375 inches maximum
Head Height
0.244 inches minimum and 0.250 inches maximum
Internal Drive Style
hexagon
Nominal Thread Diameter
0.250 inches
Width Across Flats
0.1875 inches minimum and 0.1900 inches maximum
Thread Quantity Per Inch
20
Minimum Tensile Strength
80000 pounds per square inch
Hardness Rating
80.0 rockwell b minimum overall
Color
gray/grey overall
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
ceramic overall
Surface Treatment Document And Classification
mil-c-81751 ty 1,cl 4 mil spec single treatment response overall
Thread Series Designator
unc

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
6242922-51 Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-305-4322?
The FSCG of the NSN 5305-01-305-4322 is 5305
Does the NSN 5305-01-305-4322 have a Schedule B code assigned?
Yes, the Schedule B code is 7318152000
Does NSN 5305-01-305-4322 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 5305-01-305-4322 contain precious materials?
Item does not contain precious metal.
Does NSN 5305-01-305-4322 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 5305-01-305-4322 was assigned to the Federal Catalog?
It was assigned 37 years ago, on Sat, Aug 5, 1989

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