11-2523

View detailed technical data, stock status, and sourcing information for: 11-2523
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-198-4148

Item Name Code

01852

Assigment Date

01/09/1985 (41 years ago)

pan no. 2 head style, 0.590 inches minimum and 0.620 inches maximum fastener length, 2a thread class, 0.230 inches minimum and 0.250 inches maximum thread length, right-hand thread direction

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: 0.230 inches minimum and 0.250 inches maximum
Fastener Length: 0.590 inches minimum and 0.620 inches maximum
Head Style: pan no. 2
Head Diameter: 0.357 inches minimum and 0.373 inches maximum
Head Height: 0.099 inches minimum and 0.110 inches maximum
Locking Feature: patch threads
First Diameter From Head: 0.166 inches minimum and 0.169 inches maximum
Second Diameter From Head: 0.141 inches minimum and 0.146 inches maximum
Distance From Largest Bearing Surface Of Head To End Of First Diameter: 0.160 inches minimum and 0.180 inches maximum
Distance From Largest Bearing Surface Of Head To End Of Second Diameter: 0.380 inches nominal
Internal Drive Style: slot
Nominal Thread Diameter: 0.190 inches
Thread Quantity Per Inch: 32
Criticality Code Justification: zzzy and sftt
Externally Relieved Body Diameter Quantity: 2
Special Features: item must comply with requirements of defense supply center columbus production standard no. lo-011984148.
Material: steel overall
Surface Treatment: zinc overall
Special Test Features: special quality control testing
Surface Treatment Document And Classification: astm b633 assn std single treatment response overall
Test Data Document: "81349-mil-p-23199 specification (includes engineering type bulletins, brochures,etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "nominal", etc.)."
Thread Series Designator: unf
Departure From Cited Document: as modified by material
Reference Number Differentiating Characteristics: as differentiated by material which must conform to ships parts control center special quality control provisions

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
11-2523	Externally Relieved Body Screw
LO-011984148	Externally Relieved Body Screw

FAQs

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

What is the FSCG of the NSN 5305-01-198-4148?

The FSCG of the NSN 5305-01-198-4148 is 5305

Does the NSN 5305-01-198-4148 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-01-198-4148 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 5305-01-198-4148 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-198-4148 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 5305-01-198-4148 was assigned to the Federal Catalog?

It was assigned 41 years ago, on Wed, Jan 9, 1985