C631-4-1

View detailed technical data, stock status, and sourcing information for: C631-4-1
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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-00-484-1627

Item Name Code

13209

Assigment Date

05/28/1969 (57 years ago)

0.2495 inches minimum and 0.2500 inches maximum bore diameter, externally threaded shank style, 3a thread class, right-hand thread direction, 1.9520 inches nominal overall length

Product Characteristics

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

Thread Class: 3a
Thread Direction: right-hand
Shank Style: externally threaded
Overall Length: 1.9520 inches nominal
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.7710 inches minimum and 0.8160 inches maximum
Bore Center To Shank End Distance: 1.5520 inches minimum and 1.5720 inches maximum
Outer Member Width: 0.2760 inches minimum and 0.2860 inches maximum
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Shank Thread Length: 1.0000 inches nominal
Static Radial Load Rating: 4270 pounds
Thread Diameter: 0.312 inches nominal
Thread Quantity Per Inch: 24
Hardness Rating: 32.0 rockwell c minimum outer race member
Hardness Rating: 55.0 rockwell c minimum inner member
Special Features: nas 559 keyway in shank
Material: steel overall
Style Designator: ball type
Thread Series Designator: unf

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
177091	Rod End Plain Bearing
ART4E-1-20	Rod End Plain Bearing
C631-4-1	Rod End Plain Bearing
DREM4-188	Rod End Plain Bearing
MKV4D	Rod End Plain Bearing
TFM4JANDTFM4N	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-00-484-1627?

The FSCG of the NSN 3120-00-484-1627 is 3120

Does the NSN 3120-00-484-1627 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-00-484-1627 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 3120-00-484-1627 contain precious materials?

Precious metal content is unknown

Does NSN 3120-00-484-1627 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 3120-00-484-1627 was assigned to the Federal Catalog?

It was assigned 57 years ago, on Wed, May 28, 1969