Model: 43S4374-1625

Socket Head Cap Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.312 inches

Fastener Length

0.312 inches

Head Style

Flat chamfer

Head Diameter

Between 0.265 inches and 0.270 inches

Head Height

Between 0.160 inches and 0.164 inches

Hole Diameter

0.046 inches

Internal Drive Style

Hexagon

Thread Diameter

0.164 inches

Width Across Flats

Between 0.125 inches and 0.127 inches

Hole Quantity

Hole Type

Drilled

Thready Qty Per Inch (tpi)

Hardness Rating

36.0 rockwell c and 43.0 rockwell c

Minimum Yield Strength

140000 pounds per square inch

Hole Configuration Style

Round

Material

Steel comp 4135 or steel comp 4137 or steel comp 8640

Material Specification

Qq-s-624 federal specification all material responses

Surface Treatment

Zinc and chromate

Surface Treatment Specification

Qq-z-325, type 2, class 3 federal specification all treatment responses

Thread Series Designator

Unc

Nondefinitive Specification/std Data

1 type and 11 style

NSN

5305-00-637-7195

Part Number

43S4374-1625

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 43S4374-1625 NSN 5305-00-637-7195

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:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

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