Model: 1C4597-1

Externally Relieved Body Screw

Properties:

Thread Class

Thread Length

Between 0.359 inches and 0.406 inches

Fastener Length

Between 1.000 inches and 1.031 inches

Head Style

Pan

Head Diameter

Between 0.306 inches and 0.322 inches

Head Height

Between 0.105 inches and 0.115 inches

First Diameter From Head

Between 0.120 inches and 0.125 inches

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

Between 0.594 inches and 0.672 inches

Internal Drive Style

Cross recess type 1

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

60000 pounds per square inch

Part Name Assigned By Controlling Agency

Navy special project

Thread Series Designator

Unc

NSN

5305-00-187-9906

Part Number

1C4597-1

Description

Screw,externally Relieved Body

CAGE

97953

Part 1C4597-1 NSN 5305-00-187-9906

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:

096660

UFC:

50620

LTL:

100.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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