5305-01-323-1138

Find complete technical information, availability, and procurement data for: 5305-01-323-1138
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-323-1138

Item Name Code

16282

Assigment Date

07/21/1990 (36 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes:undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

3a thread class, 0.750 inches nominal fastener length, right-hand thread direction, 0.687 inches minimum and 0.750 inches maximum thread length, flat chamfer 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: 3a
Thread Direction: right-hand
Thread Length: 0.687 inches minimum and 0.750 inches maximum
Fastener Length: 0.750 inches nominal
Head Style: flat chamfer
Head Diameter: 0.303 inches minimum and 0.312 inches maximum
Head Height: 0.185 inches minimum and 0.190 inches maximum
Locking Feature: pellet or patch threads
Internal Drive Style: hexagon
Nominal Thread Diameter: 0.190 inches
Width Across Flats: 0.156 inches nominal
Thread Quantity Per Inch: 24
Minimum Tensile Strength: 80000 pounds per square inch
Minimum Yield Strength: 40000 pounds per square inch
Special Features: the mrc aaum is per mil-s-18240 type n
Material: nickel alloy 400 fastener
Material: plastic polyamide (nylon) locking feature
Material Document And Classification: qq-n-281 cla fed spec single material response fastener
Thread Series Designator: unc
Nondefinitive Spec/Std Data: 6 type

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
0.190-24UNC-3A X 0.750 IN LG	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-01-323-1138?

The FSCG of the NSN 5305-01-323-1138 is 5305

Does the NSN 5305-01-323-1138 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-323-1138 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 5305-01-323-1138 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-323-1138 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 5305-01-323-1138 was assigned to the Federal Catalog?

It was assigned 36 years ago, on Sat, Jul 21, 1990