4140-01-521-9979

Find complete technical information, availability, and procurement data for: 4140-01-521-9979
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Federal Supply Group

Refrigeration, Air Conditioning, and Air Circulating Equipment

Federal Supply Classification

4140 Blower Equipment, Air Circulators and Fans

National Stock Number

4140-01-521-9979

Item Name Code

36295

Assigment Date

07/14/2004 (22 years ago)

An externally threaded fastener whose threaded portion is of one nominal diameter, no 0 (0.060 in./1.5 mm) or larger, designed to be held or driven with either a wrench or an inserted driver or both (excluding internal socket or internal multiple spline types), in sizes below no. 10 (0.190 in./5 mm). No. 10 and larger sizes must have a head designed for any type inserted driver (excluding internal socket or internal multiple spline types), but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. Excludes:bolt, clevis; bolt, externally relieved body; screw, externally relieved body; and screw, assembled washer. See also, screw, instrument; bolt, machine; bolt, internal wrenching; and screw, cap socket head.

4.690 inches nominal overall width, 4.690 inches nominal overall length, emi/rfi fan guard with stainless steel mesh screens in an aluminum frame ---- 4.13 in ctr to ctr mounting holes --- 4.69 for fan size special features, aluminum and steel corrosion resisting body material, machine bolt mounting method

Product Characteristics

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

Overall Length: 4.690 inches nominal
Overall Width: 4.690 inches nominal
Mounting Method: machine bolt
Body Material: aluminum and steel corrosion resisting
Special Features: emi/rfi fan guard with stainless steel mesh screens in an aluminum frame ---- 4.13 in ctr to ctr mounting holes --- 4.69 for fan size
Surface Treatment: anodize
Shape: square

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
19155K38	Fan Impeller Guard

FAQs

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

What is the FSCG of the NSN 4140-01-521-9979?

The FSCG of the NSN 4140-01-521-9979 is 4140

Does the NSN 4140-01-521-9979 have a Schedule B code assigned?

Yes, the Schedule B code is 8414901040

Does NSN 4140-01-521-9979 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 4140-01-521-9979 contain precious materials?

Item does not contain precious metal.

Does NSN 4140-01-521-9979 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 4140-01-521-9979 was assigned to the Federal Catalog?

It was assigned 22 years ago, on Wed, Jul 14, 2004