Model: MIL-B-81935/1B

Rod End Plain Bearing

Special Features:

Keyway in shank

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Style
Externally threaded
Overall Length
2.3250 inches
Bore Diameter
Between 0.3120 inches and 0.3125 inches
Outer Member Outside Diameter
Between 0.8900 inches and 0.9100 inches
Bore Center To Shank End Distance
Between 1.8650 inches and 1.8850 inches
Outer Member Width
Between 0.3220 inches and 0.3320 inches
Inner Member Width
Between 0.4350 inches and 0.4370 inches
Shank Thread Length
Between 1.1560 inches and 1.2180 inches
Static Radial Load Rating
7180 pounds
Thread Diameter
0.3125 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
28.0 rockwell c race insert and 37.0 rockwell c race insert
Hardness Rating
39.0 rockwell c rod end body and 49.0 rockwell c rod end body
Hardness Rating
55.0 rockwell c inner member and 62.0 rockwell c inner member
Material
Plastic polytetrafluoroethylene race liner
Material
Steel comp 440c inner member
Material
Steel comp 630 race insert
Material Specification
Ams 5603 assn standard single material response inner member
Material Specification
Ams 5643 assn standard single material response race insert
Material Specification
Mil-s-5000 military specification single material response race liner
Surface Treatment
Cadmium rod end body and chromate rod end body
Surface Treatment Specification
Qq-p-416, type 2, class 2 federal specification single treatment response rod end body
Style Designator
Ball type
Thread Series Designator
Unjf
NSN
3120-01-143-5974
Part Number
MIL-B-81935/1B
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-81935/1B NSN 3120-01-143-5974

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:
CRITL:
X

Packaging & Shipping

Est. Pack Size
Est. Pack Weight
Est. Item Weight
Est. Item Dim.
Pack Size:
--
Paclk Weight:
0.1000lbs
Item Weight:
--
Item Dim:
--
OPI
SPI No.
SPI Rev.
SPC Mkg.
LVL A
LVL B
OPI:
M
SPI No.:
SPI Rev.:
SPC Mkg:
51
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
114850
UFC:
58880
LTL:
70.0
LCL:
--
WCC:
742
TCC:
Z
SHC:
9
ACC:
Trailers/Vehicles

End Items End applications NSN 3120-01-143-5974 is a component of

  • Galaxy C-5 Aircraft
  • Tf39-ge-1 (c-5a) Aircraft Engine
  • Airlifter C-17a Aircraft
  • Sh-60f Carrier Based Asw Helicopter
  • B-2 Bomber (atb) Aircraft
  • T1a Aircraft
  • F-117a Aircraft
  • Global Hawk High Altitude-long Endurance Unmanned Aerial Vehic
  • Hornet F/a-18 (e/f) Aircraft
  • H-60 Seahawk Helicopter
  • 010573391
  • Flight Refueling Probe Receptacle Assembly
  • 010847352
  • Linear Actuating Cylinder Assembly
  • 013638772
  • Linear Hydraulic-pneumatic Actuator
  • 013646289
  • Rigid Connecting Link

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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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