FSSK-4AS-2

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Federal Supply Group

Bearings

Federal Supply Classification

3120 Unmounted Plain Bearings

National Stock Number

3120-01-057-2830

Item Name Code

13209

Assigment Date

03/10/1978 (48 years ago)

3a thread class, 1.8720 inches nominal overall length, internally threaded w/bead and wrench flats and inspection hole shank style, right-hand thread direction, 0.2495 inches minimum and 0.2500 inches maximum bore diameter

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: internally threaded w/bead and wrench flats and inspection hole
Overall Length: 1.8720 inches nominal
Bore Diameter: 0.2495 inches minimum and 0.2500 inches maximum
Outer Member Outside Diameter: 0.8060 inches nominal
Bore Center To Shank End Distance: 1.4690 inches nominal
Outer Member Width: 0.3370 inches nominal
Inner Member Width: 0.4320 inches minimum and 0.4370 inches maximum
Shank Thread Length: 0.7500 inches minimum and 0.8430 inches maximum
Inspection Hole Center To End Distance: 0.3750 inches nominal
Shank Width Across Wrench Flats: 0.4270 inches minimum and 0.4390 inches maximum
Static Radial Load Rating: 4675 pounds
Thread Diameter: 0.312 inches nominal
Thread Quantity Per Inch: 24
Special Features: nas559 keyslot in shank
Style Designator: ball type
Thread Series Designator: unjf

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
51589-041VL	Rod End Plain Bearing
AR4-8W-3	Rod End Plain Bearing
ARB4-61TW	Rod End Plain Bearing
BACB10Z4T	Rod End Plain Bearing
BRES-4-2242-EL-1	Rod End Plain Bearing
FSSK-4AS-2	Rod End Plain Bearing
HB4-201KT	Rod End Plain Bearing
KB4-150WT	Rod End Plain Bearing

FAQs

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

What is the FSCG of the NSN 3120-01-057-2830?

The FSCG of the NSN 3120-01-057-2830 is 3120

Does the NSN 3120-01-057-2830 have a Schedule B code assigned?

Yes, the Schedule B code is 8483308055

Does NSN 3120-01-057-2830 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 3120-01-057-2830 contain precious materials?

Precious metal content is unknown

Does NSN 3120-01-057-2830 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 3120-01-057-2830 was assigned to the Federal Catalog?

It was assigned 48 years ago, on Fri, Mar 10, 1978