Model: NAS780-4U4

Close Toleran Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.370 inches

Fastener Length

0.620 inches

Head Style

Pan

Head Diameter

Between 0.473 inches and 0.492 inches

Head Height

Between 0.162 inches and 0.175 inches

Grip Diameter

Between 0.2490 inches and 0.2495 inches

Internal Drive Style

Cruciform ribbed

End Application

C-5m aircraft

Thread Diameter

0.2500 inches

Grip Length

0.250 inches

Thready Qty Per Inch (tpi)

Material

Iron alloy 660

Surface Treatment

Passivate

Thread Series Designator

Unjf

NSN

5305-01-613-6731

Part Number

NAS780-4U4

Description

Screw,close Toleran

CAGE

80205

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:

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