Self-aligning Plain Bearing

NSN: 3120-01-356-3229 | Model: AS21154A

A detachable assembly in or on which a journal, gudgeon, pivot, or the like moves. It is used to carry a load and to reduce sliding friction. It does not employ rolling elements. The item consists of a bored precision ground ball (or spherical plain bearing) around which an outer ring is fitted. The assembly may be either separable or nonseparable. Excludes bearing, plain, rod end and bearing, plain, spherical.

NSN Properties and Flags

NATO Stock Number

3120-01-356-3229

DEMIL

Bore Diameter

Between 0.4370 inches and 0.4375 inches

Lubrication Material

Grease, mil-g-21164

Outer Member Outside Diameter

Between 0.9057 inches and 0.9062 inches

Outer Member Width

Between 0.3380 inches and 0.3480 inches

Inner Member Width

Between 0.4350 inches and 0.4370 inches

Static Radial Load Rating

18850 pounds

Hardness Rating

56.0 rockwell c inner member27.0 rockwell c outer race member and 36.0 rockwell c outer race member

Lubrication Feature

Groove external outer memberperforation inner membergroove internal inner membergroove internal outer memberperforation outer race member

Material

Steel comp 440c inner membersteel comp e4340 outer race member or steel comp 4130 outer race member or steel comp 8630 outer race member

Material Specification

Ans 5630 assn standard single material response inner membermil-s-6758 military specification 1st material response outer race member or mil-s-6758 military specification 2nd material response outer race member or mil-s-6050 military specification 3rd material response outer race member

Surface Treatment

Chromium inner membercadmium outer race member

Surface Treatment Specification

Qq-c-320, cl 2 type 1 federal specification single treatment response inner member or qq-c-320, cl 2 type 2 federal specification single treatment response inner memberqq-p-416, ty1 cl 2 federal specification single treatment response outer race member

Style Designator

Without insert or liner with staking groove

Inventory Check

The last inventory check on this NSN was done on 06/13/2024. Due to rapid changes in inventory this may not be the current stock qty.

New: 375
New Surplus: 3

Pricing and Availability

Send us a request for quote using the form below. Our team will contact you with an up to date pricing and availability quote ASAP.

Certified Quality Assurance

ISO 9001:2015 + AS9120B
Counterfeit Parts Prevention
100% Product Inspections
7 Year Record Retention
On Time Delivery
HAZMAT Certified
Worldwide Shipping

NSN 3120-01-356-3229 Datasheet

Supply Class (FSC):

Unmounted Plain Bearings

Cross Reference:

AS21154A
MS21154S7
MS21154
MS21154S07

Cage Codes:

Society Of Automotive Engineers Inc (CAGE 81343)
Military Standards (CAGE 96906)

Schedule B & Trade:

Schedule B: 8482300040 (NAICS 332991)

Spherical roller bearings, single row
SITC: 74630

Spherical roller bearings
End Use: 21180

Industrial machines, other

Identification:

HMIC

N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

PMIC

A - Item does not contain precious metal.

ADPE

- Represents items with no adp components

CRITL

- The item does not have a nuclear hardened feature or any other critical feature such as tolerance, fit restriction or application.

Freight Information:

NMFC:

114800 - Bearing, roller, thrust
WCC:

742 - Bearings
SHC:

9 - Other or no special handling required (sh)
ADC:

A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
ACC:

V - Trailers, vehicles, machinery, shop and warehouse equipment and supplies including special tools and equipment, ground servicing
LTL:

W - Rating variable
TCC:

Z - No special type of cargo code applicable

NSN Management Codes:

SOS
Sms
AAC
Z
Quantity per pack
1
Unit of Measure
Ea
Shelf Life
N/A
Classification Control
U
MGMT_CTL
Sf9---n
Repariability

Questions & Answers:
What are the historical prices recorded for this stock number?
Historical data shows pricing from $635.53 to $1,059.21..
Does NSN 3120-01-356-3229 have a shelf life?
No. There is no shelf life applicable for this NSN.
What NATO entities are users of this NSN?
Department Of The Air Force
What is the NIIN of NSN 3120-01-356-3229?
013563229 or 01-356-3229
Does NSN 3120-01-356-3229 require demilitarization?
Yes - ITAR Controlled
What is the most recent solicitation for NSN 3120-01-356-3229?
No solicitations for this NSN.
When was this national stock number assigned to the federal catalog?
Apr 02, 1992