2990-00-364-4251

Find complete technical information, availability, and procurement data for: 2990-00-364-4251

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2990-00-364-4251
Federal Supply Group
Engine Accessories
National Stock Number
2990-00-364-4251
Item Name Code
77777
Assigment Date
01/01/1963 (63 years ago)

An item specifically designed to be inserted between the driving and driven members of a flexible coupling to allow for slight misalignment of the shafts.

0.344 in. dia steel ball,steel housing,0.563 in. w,0.565 in. h,bent 45 deg,0.188 in along width to retain ball general characteristics item description

Product Characteristics

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

General Characteristics Item Description
0.344 in. dia steel ball,steel housing,0.563 in. w,0.565 in. h,bent 45 deg,0.188 in along width to retain ball

Replaces National Stock Numbers

Below is a list of NSNs that have been officially superseded by this NSN:

NSN Name Date
2990-00-344-0900 No Name Available 01/01/1963

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
21-70437-00 Check and Housing Ball
3272726 Check and Housing Ball
3275399 Check and Housing Ball
3377377 Check and Housing Ball
81125S41-29525ALT16PC20-21 Check and Housing Ball
81125S41-29533PC41-59 Check and Housing Ball
81127S41-20119PC52-53 Check and Housing Ball
81127S41-26507ALT3PC52-53 Check and Housing Ball
81127S41-31119ALT1PC52-53 Check and Housing Ball
81158S4105-1086779 Check and Housing Ball
AS11S41-0247ALT1PC52-53 Check and Housing Ball
AS12S4105-0546PC52-53 Check and Housing Ball
DD445S6100-1246PC20-21 Check and Housing Ball
DD453S61-01399PC20-21 Check and Housing Ball
G7BM2 Check and Housing Ball
N20119PC53-52 Check and Housing Ball
PC471S4105-66856PC52-53 Check and Housing Ball

FAQs

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

What is the FSCG of the NSN 2990-00-364-4251?
The FSCG of the NSN 2990-00-364-4251 is 2990
Does NSN 2990-00-364-4251 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 2990-00-364-4251 contain precious materials?
Precious metal content is unknown
Does NSN 2990-00-364-4251 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 2990-00-364-4251 was assigned to the Federal Catalog?
It was assigned 63 years ago, on Tue, Jan 1, 1963

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