Model: MIL-B-81349/4

Rod End Plain Bearing

Special Features:

Keyway in shank; surface finish on ball passivate per mil-s-5002 optional

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Style
Externally threaded
Overall Length
1.6550 inches
Bore Diameter
Between 0.1895 inches and 0.1900 inches
Outer Member Outside Diameter
Between 0.6700 inches and 0.6900 inches
Bore Center To Shank End Distance
Between 1.3050 inches and 1.3250 inches
Outer Member Width
Between 0.2230 inches and 0.2330 inches
Inner Member Width
Between 0.2790 inches and 0.2810 inches
Shank Thread Length
Between 0.7350 inches and 0.8070 inches
Thread Diameter
0.250 inches
Thready Qty Per Inch (tpi)
28
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member28.0 rockwell c race insert and 37.0 rockwell c race insert39.0 rockwell c rod end body and 42.0 rockwell c rod end body
Material
Steel comp 440c inner membersteel comp 630 race insertplastic polytetrafluoroethylene race linersteel comp e4340 rod end body
Material Specification
Ams 5630 assn standard single material response inner memberams 5643 assn standard single material response race insertmil-s-5000 military specification single material response rod end body
Surface Treatment
Cadmium rod end body and chromate rod end body
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response rod end body
Style Designator
Ball type
Thread Series Designator
Unjf
Specification Data
83149-mil-b-81935/4 government specification
NSN
3120-01-366-6625
Part Number
MIL-B-81349/4
Description
Bearing,plain,rod End
CAGE
81349

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 outer member of the assembly is modified to provide a shank. The inner member may be either a plain spherical bearing or a sleeve bearing. Excludes bearing, plain, spherical and bearing, plain, self-aligning.

Part MIL-B-81349/4 NSN 3120-01-366-6625

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13209
FIIG:
A045A0
Concept No.:
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
ESD:
MMAC:
BA
CRITL:
N

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114820
UFC:
58860
LTL:
77.5
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

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Schedule B and Export
  • Schedule B: 8483308055
  • SITC: 74822
  • End Use: Industrial machines, other
  • NAICS: 336310
  • USDA: 1

Freight Class: Transmission shafts: bearing housings, plain shaft bearings with housing, rod end bearings

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