Model: 43S4945

Drive Screw

Properties:

Fastener Length

0.250 inches

Head Style

Round

Head Diameter

Between 0.099 inches and 0.113 inches

Head Height

Between 0.043 inches and 0.053 inches

Pilot Diameter

Between 0.060 inches and 0.063 inches

Pilot Length

Between 0.040 inches and 0.050 inches

End Application

Helicopter landing system, lamps mk iii; compressor, reciprocating m4; engine, aircraft, f100-pw-200 (f-16a/b/c/d); helicopter, mh-53e; helicopter, advance attack, ah-1w; aircraft, (ac-130h, mc-130h, ec-130e, hc-130); trainer, b-1b aircraft; central message switch, an/tyc-39a; support equipment, b-1 aircraft

Nonmachine Thread Style

Drive screw (type u)

Nonmachine Thread Diameter

0.073 inches

Material

Steel

Surface Treatment

Cadmium

Nondefinitive Specification/std Data

U type and 1p style

NSN

5305-00-253-5608

Part Number

43S4945

Description

Screw,drive

CAGE

53711

A hardened cylindrical fastener with multiple spiral flutes on its shank. It also has an end smaller in diameter than the outside diameter of the spiral flutes, which acts as a pilot when driven into a drilled hole.

Part 43S4945 NSN 5305-00-253-5608

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15896

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:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

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