Model: CA2658-4-87

Close Tolerance Screw

Properties:

Thread Class

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)

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:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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