Model: 803-5959303-X-78

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 3.800 inches and 4.000 inches

Fastener Length

4.000 inches

Head Style

Flat chamfer

Head Diameter

Between 1.107 inches and 1.125 inches

Head Height

Between 0.740 inches and 0.750 inches

Internal Drive Style

Hexagon

Thread Diameter

0.750 inches

Width Across Flats

0.625 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

170000 pounds per square inch

Hardness Rating

37.0 rockwell c and 45.0 rockwell c

Minimum Yield Strength

153000 pounds per square inch

Material

Steel

Surface Treatment

Aluminum and chromate or zinc and chromate

Surface Treatment Specification

Mil-c-83488, type 2 cl 3 military specification 1st treatment response or mil-c-87115, cl 3 military specification 2nd treatment response

Thread Series Designator

Unrc

NSN

5305-01-333-9881

Part Number

803-5959303-X-78

Description

Screw,cap,socket Head

CAGE

53711

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 803-5959303-X-78 NSN 5305-01-333-9881

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:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

096640

UFC:

50600

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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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