Model: 543-6116-002

Externally Relieved Body Screw

Special Features:

Non-standard point style 12 0.312 in. Nom lg

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.344 inches and 0.375 inches

Fastener Length

Between 1.031 inches and 1.063 inches

Head Style

Hexagon

Head Height

Between 0.109 inches and 0.141 inches

Width Between Flats

Between 0.359 inches and 0.391 inches

First Diameter From Head

Between 0.260 inches and 0.270 inches

Second Diameter From Head

Between 0.195 inches and 0.202 inches

Third Diameter From Head

Between 0.260 inches and 0.270 inches

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

Between 0.109 inches and 0.141 inches

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

Between 0.239 inches and 0.261 inches

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

Between 0.317 inches and 0.319 inches

Internal Drive Style

Slot

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Steel comp 430

Material Specification

66 federal standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

580-0103 0099, fscm 13499 mfr ref single treatment response

Thread Series Designator

Unc

NSN

5305-00-728-1680

Part Number

543-6116-002

Description

Screw,externally Relieved Body

CAGE

95105

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 543-6116-002 NSN 5305-00-728-1680

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:

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