ST3M557-7-19

View detailed technical data, stock status, and sourcing information for: ST3M557-7-19
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-01-514-4085

Item Name Code

29294

Assigment Date

10/24/2003 (22 years ago)

An electrical item with multiple socket contacts which may or may not be interconnected by bussing, to form one or more circuits. Item may be of feedback, feedthrough and/or terminating design and may afford a convenient method of interconnection. It may or may not include a sealing grommet. Sectional blocks are normally retained in a track or channel mounting. Excludes:chamber, cable terminal; contact assembly, electrical; insert, electrical connector; juntion box ; terminal board; and terminal box.

0.656 inches nominal thread length, flat countersunk head style, 1.844 inches nominal fastener length, 3a thread class, 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: 3a
Thread Direction: right-hand
Thread Length: 0.656 inches nominal
Fastener Length: 1.844 inches nominal
Head Style: flat countersunk
Head Diameter: 0.672 inches nominal
Grip Diameter: 0.437 inches nominal
Internal Drive Style: high-torque
End Item Identification: wing aircraft
Nominal Thread Diameter: 0.438 inches
Grip Length: 1.188 inches nominal
Thread Quantity Per Inch: 20
Minimum Tensile Strength: 125000 pounds per square inch
Material: nickel alloy 718 overall
Material Document And Classification: ams5662 assn std single material response overall
Surface Treatment: passivate overall
Surface Treatment Document And Classification: qq-p-35 fed spec single treatment response overall
Thread Series Designator: unjf

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
11923-7-19	Close Tolerance Screw
HT4027-7-19	Close Tolerance Screw
ST3M557-7-19	Close Tolerance Screw
WC4027-7-19	Close Tolerance Screw

FAQs

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

What is the FSCG of the NSN 5305-01-514-4085?

The FSCG of the NSN 5305-01-514-4085 is 5305

Does the NSN 5305-01-514-4085 have a Schedule B code assigned?

Yes, the Schedule B code is 7508900000

Does NSN 5305-01-514-4085 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 5305-01-514-4085 contain precious materials?

Item does not contain precious metal.

Does NSN 5305-01-514-4085 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 5305-01-514-4085 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Fri, Oct 24, 2003