Model: 1676AS298-3

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

0.630 inches

Head Style

Pan no. 2

Head Diameter

Between 0.716 inches and 0.740 inches

Head Height

Between 0.195 inches and 0.212 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.740 inches and 0.760 inches

Primary Washer Style

Flat external teeth

Primary Washer Material Thickness

Between 0.032 inches and 0.040 inches

Material

Steel fastener

Material

Steel primary washer

Material Specification

Aisi c1010 through c1020 assn standard single material response primary washer

Material Specification

Aisi c1115 through c1132 assn standard single material response fastener

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, ty2, cl3 federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-431-3669

Part Number

1676AS298-3

Description

Screw,assembled Washer

CAGE

30003

A screw, (as modified) to which has been assembled one or more nonremovable washer(s).

Part 1676AS298-3 NSN 5305-01-431-3669

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06660

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:

3.7000lbs

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:

573

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