11-4538

View detailed technical data, stock status, and sourcing information for: 11-4538
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-138-3280

Item Name Code

06673

Assigment Date

09/10/1982 (43 years ago)

2a thread class, thumb no. 3 head style, 0.900 inches minimum thread length, right-hand thread direction, 1.000 inches nominal fastener 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: 2a
Thread Direction: right-hand
Thread Length: 0.900 inches minimum
Fastener Length: 1.000 inches nominal
Head Style: thumb no. 3
Point Style: pointless
Nominal Thread Diameter: 0.250 inches
Thread Quantity Per Inch: 20
Criticality Code Justification: zzzy
Special Features: undercut in thread 0.500 in. from head,0.182 in. dia and 0.260 in. lg
Surface Treatment: zinc and chromate overall
Special Test Features: special quality control testing
Surface Treatment Document And Classification: qq-z-325 type 2 class 3 fed spec 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: unc
Reference Number Differentiating Characteristics: reference number differentiating material will be in accordance with naval inventory control point activity hx quality control, manufacturing and testing specifications available at the dla icp. feat - item must comply with requirements of defense supply center columbus production standard no. lo-011383280.

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
11-4538	Thumbscrew
LO-011383280	Thumbscrew

FAQs

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

What is the FSCG of the NSN 5305-01-138-3280?

The FSCG of the NSN 5305-01-138-3280 is 5305

Does the NSN 5305-01-138-3280 have a Schedule B code assigned?

Yes, the Schedule B code is 8112999100

Does NSN 5305-01-138-3280 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 5305-01-138-3280 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-138-3280 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 5305-01-138-3280 was assigned to the Federal Catalog?

It was assigned 43 years ago, on Fri, Sep 10, 1982