Model: 755002A7643-4

Externally Relieved Body Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.190 inches

Fastener Length

0.500 inches

Head Style

Pan no. 2

Head Diameter

Between 0.256 inches and 0.270 inches

Head Height

Between 0.087 inches and 0.097 inches

First Diameter From Head

Between 0.099 inches and 0.101 inches

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

0.310 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 302 or steel comp 304 or steel comp 304l or steel comp 305 or steel comp 309 or steel comp 310 or steel comp 316 or steel comp 316l or steel comp 317 or steel comp 321 or steel comp 347 or steel comp 303 or steel comp 303se

Material Specification

Qq-s-763 federal specification 1st material response or qq-s-763 federal specification 2nd material response or qq-s-763 federal specification 3rd material response or qq-s-763 federal specification 4th material response or qq-s-763 federal specification 5th material response or qq-s-763 federal specification 6th material response or qq-s-763 federal specification 7th material response or qq-s-763 federal specification 8th material response or qq-s-763 federal specification 9th material response or qq-s-763 federal specification 10th material response or qq-s-763 federal specification 11th material response or astm a582 assn standard 12th material response or astm a582 assn standard 13th material response

Surface Treatment

Passivate and oxide

Surface Treatment Specification

Qq-p-35 federal specification 1st treatment response and mil-c-13924 class 2 military specification 2nd treatment response

Thread Series Designator

Unc

NSN

5305-01-068-6310

Part Number

755002A7643-4

Description

Screw,externally Relieved Body

CAGE

87990

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 755002A7643-4 NSN 5305-01-068-6310

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:

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