Model: 317208-C-539

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.438 inches

Fastener Length

0.500 inches

Head Style

Button

Head Diameter

Between 0.347 inches and 0.361 inches

Head Height

Between 0.091 inches and 0.101 inches

Locking Feature

Patch threads

Internal Drive Style

Hexagon

Thread Diameter

0.190 inches

Width Across Flats

0.125 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

180000 pounds per square inch

Hardness Rating

39.0 rockwell c fastener and 45.0 rockwell c fastener

Minimum Yield Strength

155000 pounds per square inch

Material

Plastic polyamide locking feature

Material

Steel fastener

Surface Treatment

Zinc fastener and chromate fastener

Surface Treatment Specification

Astm b633, ty1 cl3 assn standard single treatment response fastener

Thread Series Designator

Unf

NSN

5305-01-318-4694

Part Number

317208-C-539

Description

Screw,cap,socket Head

CAGE

10001

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 317208-C-539 NSN 5305-01-318-4694

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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