Model: CA2658-4-87

Close Tolerance Screw

Properties:

Thread Class
3a
Thread Direction
Right-hand
Thread Length
Between 0.287 inches and 0.334 inches
Fastener Length
Between 5.866 inches and 5.882 inches
Head Style
Crowned hexagon
Head Height
Between 0.126 inches and 0.141 inches
Width Between Flats
Between 0.430 inches and 0.439 inches
Locking Feature
Detent ball grip
Grip Diameter
Between 0.2487 inches and 0.2492 inches
Shank Unthreaded Hole Diameter
0.076 inches first hole and 0.086 inches first hole
Internal Drive Style
Slot
Thread Diameter
0.250 inches
Grip Length
Between 5.438 inches and 5.454 inches
Thready Qty Per Inch (tpi)
28
Min. Tensile Strength (psi)
170000 pounds per square inch
Hardness Rating
38.0 rockwell c fastener and 45.0 rockwell c fastener
Distance From Head Largest Bearing Surface To Shank Hole Center
5.761 inches first hole and 5.781 inches first hole
Surface Finish
32.0 microinches bearing surface of head
Surface Finish
32.0 microinches grip
Part Name Assigned By Controlling Agency
Navy special project
Material Specification
Ams 5643 assn standard single material response fastener
Material Specification
Ams 5673 assn standard 1st material response spring or qq-w-423 federal specification 2nd material response spring
Surface Treatment
Passivate fastener
Surface Treatment
Passivate spring
Surface Treatment Specification
Qq-p-35 federal specification single treatment response fastener
Surface Treatment Specification
Qq-p-35 federal specification single treatment response spring
Thread Series Designator
Unjf
Specification Data
26512-gb511dw manufacturers standard
NSN
5305-01-087-7016
Part Number
CA2658-4-87
Description
Screw,close Tolerance
CAGE
29372

Part CA2658-4-87 NSN 5305-01-087-7016

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
29294
FIIG:
A003B0
Concept No.:
App. Key:
SS
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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