Model: A174-18E

Close Tolerance Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.459 inches

Fastener Length

Between 2.400 inches and 2.440 inches

Head Style

Flat countersunk

Head Diameter

Between 0.452 inches and 0.510 inches

Grip Diameter

Between 0.2465 inches and 0.2495 inches

Internal Drive Style

Slot

Thread Diameter

0.250 inches

Grip Length

Between 1.871 inches and 1.901 inches

Thready Qty Per Inch (tpi)

Countersink Angle

Between 99.0 degrees and 101.0 degrees

Part Name Assigned By Controlling Agency

Navy special project

Thread Series Designator

Unf

NSN

5305-01-382-6015

Part Number

A174-18E

Description

Screw,close Tolerance

CAGE

K7766

Part A174-18E NSN 5305-01-382-6015

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29294

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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