Model: 307C8050-04-020

Externally Relieved Body Screw

Special Features:

Color black; straight knurl

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.115 inches and 0.125 inches

Fastener Length

Between 0.422 inches and 0.452 inches

Head Style

Flat chamfer

Head Diameter

Between 0.307 inches and 0.317 inches

Head Height

Between 0.297 inches and 0.327 inches

Point Length

0.078 inches

Point Diameter

Between 0.062 inches and 0.078 inches

First Diameter From Head

Between 0.073 inches and 0.083 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.224 inches and 0.244 inches

Point Style

Cone

Internal Drive Style

Slot

Thread Diameter

0.112 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Point Chamfer Angle

Between 85.0 degrees and 95.0 degrees

Material

Steel comp 203ez or steel comp 303 or steel comp 303 plus x or steel comp 303ma or steel comp 303se or steel comp 416 or steel comp 416 plus x or steel comp 416se or steel comp 430f or steel comp 430fse

Material Specification

Astm a 581 assn standard all material responses

Surface Treatment

Oxide

Thread Series Designator

Unc

NSN

5305-01-214-7875

Part Number

307C8050-04-020

Description

Screw,externally Relieved Body

CAGE

86360

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercut for thread relief). It is no. 0 (0.060 in.) (1.5 mm) or larger, and is designed to be held or driven with either a wrench or inserted driver (excluding internal socket and multiple spline types) or both in sizes below no. 10 (0.190 in.) (5 mm) and larger sizes must have a head designed for any type inserted driver (excluding internal socket and multiple spline types) but may also be designed for external wrenching. A locking feature may be incorporated in the design of the head or threads. See also bolt, externally relieved body and bolt, internal wrenching.

Part 307C8050-04-020 NSN 5305-01-214-7875

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01852

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:

0.1000lbs

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

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