5305-01-338-7579

Find complete technical information, availability, and procurement data for: 5305-01-338-7579
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-338-7579

Item Name Code

06657

Assigment Date

05/10/1991 (35 years ago)

2a thread class, right-hand thread direction, 0.500 inches nominal fastener length, 0.366 inches minimum and 0.428 inches maximum thread length, flat countersunk 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: 0.366 inches minimum and 0.428 inches maximum
Fastener Length: 0.500 inches nominal
Head Style: flat countersunk
Head Diameter: 0.238 inches minimum and 0.279 inches maximum
Locking Feature: patch or strip or pellet
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Countersink Angle: 99.0 degrees minimum and 101.0 degrees maximum
Screw Material: steel comp 301 or steel comp 302 or steel comp 302b or steel comp 303 or steel comp 303se or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 308 or steel comp 309 or steel comp 309s or steel comp 310 or steel comp 310s or steel comp 314 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 348 or steel comp 384 or steel comp 385
Locking Feature Material: plastic polyamide (nylon)
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
LP24693C50HQ	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-01-338-7579?

The FSCG of the NSN 5305-01-338-7579 is 5305

Does the NSN 5305-01-338-7579 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-338-7579 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 5305-01-338-7579 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-338-7579 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 5305-01-338-7579 was assigned to the Federal Catalog?

It was assigned 35 years ago, on Fri, May 10, 1991