Model: 91253A595

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 1.125 inches and 1.687 inches

Fastener Length

2.802 inches

Head Style

Flat countersunk

Head Diameter

0.656 inches

Internal Drive Style

Hexagon

Thread Diameter

0.3125 inches

Width Across Flats

0.1875 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

144000 pounds per square inch

Hardness Rating

39.0 rockwell c and 44.0 rockwell c

Countersink Angle

82.0 degrees

Material

Steel

Surface Treatment

Zinc

Thread Series Designator

Unc

NSN

5305-01-524-0045

Part Number

91253A595

Description

Screw,cap,socket Head

CAGE

33145

An externally threaded fastener whose threaded portion is of one nominal diameter. The head has an internal socket or multiple spline for use with an inserted driver. A locking feature may be incorporated in the design of the head or threads. Excludes items with bevel (conical) heads. See bolt, internal wrenching. Excludes screw, shoulder; and screw, machine.

Part 91253A595 NSN 5305-01-524-0045

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

16282

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:

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Schedule B and Export

Schedule B: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment