Model: A51H20520-1

Rod End Plain Bearing

Special Features:

Slot in shank 0.098 in. Wide

Properties:

Thread Class
3a
Thread Direction
Right-hand
Shank Style
Externally threaded
Overall Length
2.3440 inches
Bore Diameter
Between 0.2495 inches and 0.2500 inches
Outer Member Outside Diameter
0.8760 inches
Bore Center To Shank End Distance
1.9060 inches
Outer Member Width
Between 0.2450 inches and 0.2550 inches
Inner Member Width
Between 0.3410 inches and 0.3430 inches
Shank Thread Length
1.3120 inches
Thread Diameter
0.375 inches
Thready Qty Per Inch (tpi)
24
Hardness Rating
38.0 rockwell c rod end body and 45.0 rockwell c rod end body
Hardness Rating
23.0 rockwell c race insert and 35.0 rockwell c race insert
Hardness Rating
52.0 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 xm-12 rod end body
Material
Steel comp 630 race insert or steel comp 631 race insert
Material Specification
Ams 5630, 81343 assn standard single material response inner member
Material Specification
Ams 5643 assn standard all material responses race insert or ams 5528 assn standard all material responses race insert or aisi 410 assn standard all material responses race insert
Material Specification
Ams 5659, 81343 assn standard single material response rod end body
Surface Treatment
Nickel rod end body and chromium rod end body
Surface Treatment Specification
Qq-c-320 federal specification all treatment responses rod end body
Style Designator
Ball type
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Thread Series Designator
Unjf
NSN
3120-00-160-0583
Part Number
A51H20520-1
Description
Bearing,plain,rod End
CAGE
61174

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 A51H20520-1 NSN 3120-00-160-0583

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:
U
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

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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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