40NEMS

View detailed technical data, stock status, and sourcing information for: 40NEMS
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5305 Screws

National Stock Number

5305-00-207-2778

Item Name Code

06657

Assigment Date

01/01/1963 (63 years ago)

0.200 inches minimum and 0.250 inches maximum thread length, 0.219 inches minimum and 0.250 inches maximum fastener length, right-hand thread direction, 2a thread class, fillister head style

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: 0.200 inches minimum and 0.250 inches maximum
Fastener Length: 0.219 inches minimum and 0.250 inches maximum
Head Style: fillister
Head Diameter: 0.208 inches minimum and 0.226 inches maximum
Head Height: 0.086 inches minimum and 0.096 inches maximum
Internal Drive Style: cross recess type 1
Nominal Thread Diameter: 0.138 inches
Thread Quantity Per Inch: 40
Minimum Tensile Strength: 50000 pounds per square inch
Screw Material: copper alloy 745 or copper alloy 764 or copper alloy 770 or copper alloy 794
Screw Material Document And Classification: qq-c-530 fed spec all material responses
Thread Series Designator: unf
Nondefinitive Spec/Std Data: 1 type and 4c style
Departure From Cited Designator: as modified by material

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
35NEMS	Machine Screw
40NEMS	Machine Screw
607127-58	Machine Screw
N308A	Machine Screw
NEMS31	Machine Screw
S2407-607127PC3	Machine Screw
S2407-607127PC58	Machine Screw

FAQs

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

What is the FSCG of the NSN 5305-00-207-2778?

The FSCG of the NSN 5305-00-207-2778 is 5305

Does the NSN 5305-00-207-2778 have a Schedule B code assigned?

Yes, the Schedule B code is 7415338550

Does NSN 5305-00-207-2778 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 5305-00-207-2778 contain precious materials?

Precious metal content is unknown

Does NSN 5305-00-207-2778 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 5305-00-207-2778 was assigned to the Federal Catalog?

It was assigned 63 years ago, on Tue, Jan 1, 1963