99-4052

View detailed technical data, stock status, and sourcing information for: 99-4052
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-839-9137

Item Name Code

16282

Assigment Date

12/21/1966 (59 years ago)

fillister head style, right-hand thread direction, 2a thread class, 0.406 inches minimum and 0.438 inches maximum thread length, 0.406 inches minimum and 0.438 inches maximum 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: 0.406 inches minimum and 0.438 inches maximum
Fastener Length: 0.406 inches minimum and 0.438 inches maximum
Head Style: fillister
Head Diameter: 0.250 inches minimum and 0.270 inches maximum
Head Height: 0.106 inches minimum and 0.113 inches maximum
Locking Feature: strip threads
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.164 inches
Thread Quantity Per Inch: 32
Material: steel comp 302 or steel comp 303se or steel comp 304 or steel comp 316 overall
Material Document And Classification: 66 fed std all material responses overall
Surface Treatment: passivate overall
Thread Series Designator: unc

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN	Name	Date
5305-00-875-9625	No Name Available	03/01/1986

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
99-4052	Socket Head Cap Screw
LL500D8-7MHQ	Socket Head Cap Screw
LL57N82S7M	Socket Head Cap Screw

FAQs

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

What is the FSCG of the NSN 5305-00-839-9137?

The FSCG of the NSN 5305-00-839-9137 is 5305

Does the NSN 5305-00-839-9137 have a Schedule B code assigned?

Yes, the Schedule B code is 7318152000

Does NSN 5305-00-839-9137 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 5305-00-839-9137 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-00-839-9137 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 5305-00-839-9137 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Wed, Dec 21, 1966