3040-01-439-3876

Find complete technical information, availability, and procurement data for: 3040-01-439-3876
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-439-3876

Item Name Code

13743

Assigment Date

12/06/1996 (29 years ago)

A high strength, 160,000 pounds per square inch (1100 megapascals) minimum tensile strength externally threaded fastener designed for use in applications involving great shear stress. The head is designed to accommodate an external wrench or driver. The head is not designed to be held or driven with an inserted driver, nor is it designed for rotation by the thumb and fingers. The unthreaded portion is of specific grip length, plated or unplated, and is machined to a tolerance of one thousandth (0.001) of an inch (0.025 mm) or less of a specific diameter for items one inch (25 mm) or less in diameter. Items over one inch (25 mm) in diameter shall have a tolerance of fifteen ten thousandths (0.0015) of an inch (0.038 mm) or less. The nominal major diameter of the threads shall be at least one thousandth (0.001) of an inch (0.025 mm) below the minimum shank diameter, but not below the minimum major diameter for applicable class of fit, as shown in the screw thread standards, fed std h28 and/or other nationally recognized standards. A locking feature may be incorporated in the design of the head or threads. See bolt, machine and bolt, clevis.

w/s seawolf class ssn end item identification, 2 securing hole quantity, 3.5050 inches nominal outside diameter, 2.7500 inches nominal thickness, 3.0440 inches nominal bore diameter

Product Characteristics

Below you’ll find the complete technical specifications and performance data for this part, including material details and compliance information.

Outside Diameter: 3.5050 inches nominal
Thickness: 2.7500 inches nominal
Bore Diameter: 3.0440 inches nominal
End Item Identification: w/s seawolf class ssn
Securing Hole Quantity: 2
Angle Between Centerlines Of Securing Holes In Deg: 90.0
Securing Hole Type And Location: unthreaded all holes
Hole Diameter And Location: 1.0100 inches nominal all holes
Surface Finish And Location: unable to decode
Material: plastic polyethylene
Material Document And Classification: astm d-4020 assn std single material response
Style Designator: plain round

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
150-6405270 FIND 74	Shaft Collar
211078776	Shaft Collar
6405270	Shaft Collar
DF1507-166 FIND 74	Shaft Collar

FAQs

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

What is the FSCG of the NSN 3040-01-439-3876?

The FSCG of the NSN 3040-01-439-3876 is 3040

Does NSN 3040-01-439-3876 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 3040-01-439-3876 contain precious materials?

Item does not contain precious metal.

Does NSN 3040-01-439-3876 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 3040-01-439-3876 was assigned to the Federal Catalog?

It was assigned 29 years ago, on Fri, Dec 6, 1996