77649-21X5PC25

View detailed technical data, stock status, and sourcing information for: 77649-21X5PC25
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Federal Supply Group

Hardware and Abrasives

Federal Supply Classification

5325 Fastening Devices

National Stock Number

5325-00-849-5256

Item Name Code

33729

Assigment Date

01/09/1967 (59 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.

round grommet style, 0.187 inches nominal groove width, 0.250 inches nominal hole diameter, 0.375 inches nominal overall height, 0.093 inches nominal flange thickness

Product Characteristics

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

Hole Diameter: 0.250 inches nominal
Groove Width: 0.187 inches nominal
Flange Thickness: 0.093 inches nominal
Overall Height: 0.375 inches nominal
Grommet Style: round
Large Flange Outside Diameter: 1.000 inches nominal
Groove Outside Diameter: 0.750 inches nominal
Grommet Construction Type: solid
Features Provided: coolant resistant and oil resistant
Color: black overall
Material: rubber synthetic overall
Material Document And Classification: astm d2000 bg515a14b24c32e036f19z assn std single material response overall
Departure From Cited Document: except special cleaned for liquid oxygen service

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
77649-21X5PC25	Nonmetallic Grommet
90B02-644-12	Nonmetallic Grommet

FAQs

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

What is the FSCG of the NSN 5325-00-849-5256?

The FSCG of the NSN 5325-00-849-5256 is 5325

Does the NSN 5325-00-849-5256 have a Schedule B code assigned?

Yes, the Schedule B code is 8710000090

Does NSN 5325-00-849-5256 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 5325-00-849-5256 contain precious materials?

Item does not contain precious metal.

Does NSN 5325-00-849-5256 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 5325-00-849-5256 was assigned to the Federal Catalog?

It was assigned 59 years ago, on Mon, Jan 9, 1967