3040-01-029-8429

Find complete technical information, availability, and procurement data for: 3040-01-029-8429
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Federal Supply Group

Mechanical Power Transmission Equipment

Federal Supply Classification

3040 Miscellaneous Power Transmission Equipment

National Stock Number

3040-01-029-8429

Item Name Code

21988

Assigment Date

10/23/1976 (49 years ago)

An open coiled spring, wound in various forms and from different shapes and types of materials and finished at the ends, designed to provide resistance to compression forces. Excludes:springs designed for thermal actuation (springs in which the torsion forces are designed to be counteracted by changes in temperature) and spring, reinforcing, hose.

0.500 inches nominal body diameter, 0.1875 inches nominal both ends end attachment hole diameter, tubular body construction, tubular shank link style, 6.250 inches minimum and 7.250 inches maximum overall length

Product Characteristics

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

Overall Length: 6.250 inches minimum and 7.250 inches maximum
Body Diameter: 0.500 inches nominal
Link Style: tubular shank
Body Construction: tubular
End Attachment Hole Diameter: 0.1875 inches nominal both ends
End Attachment Length: 1.750 inches nominal first end
End Attachment Length: 2.500 inches nominal second end
End Attachment Width: 0.438 inches nominal first end
End Attachment Width: 0.500 inches nominal second end
Special Features: effective length: 5.375 to 6.375 inches; link thread info: left and right hand, length 1.125 inches, 0.375-24 nf; end attachment info: diameter 0.781 inch 1st end, 0.969 inch 2nd end, material steel aisi862 or steel mil-s-6758, sae 4130 both ends, surface treatment cadmium plated both ends, locknut
Material: aluminum alloy
Material Document And Classification: ww-t-700/3, t3 fed spec single material response
Surface Treatment: anodize

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
BACR24N	Rigid Connecting Link
BACR24N2BL060	Rigid Connecting Link
BACR24N2BL60	Rigid Connecting Link
BACR24N2L60	Rigid Connecting Link
BAXR24N2BL60	Rigid Connecting Link

FAQs

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

What is the FSCG of the NSN 3040-01-029-8429?

The FSCG of the NSN 3040-01-029-8429 is 3040

Does NSN 3040-01-029-8429 require demilitarization?

"commerce control list items (ccli) - mut to the point of scrap required outside the united states. Inside the united states, mut is required when the demil integrity code (ic) is "3" and mut is not required when the demic is "6" (note 8)"

Does NSN 3040-01-029-8429 contain precious materials?

Precious metal content is unknown

Does NSN 3040-01-029-8429 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 3040-01-029-8429 was assigned to the Federal Catalog?

It was assigned 49 years ago, on Sat, Oct 23, 1976