Model: 55974

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.562 inches

Fastener Length

0.625 inches

Head Style

Fillister

Head Diameter

Between 0.292 inches and 0.313 inches

Head Height

Between 0.118 inches and 0.130 inches

Washer Quantity

Internal Drive Style

Slot

Thread Diameter

0.190 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

60000 pounds per square inch

Hardness Rating

72.0 rockwell b

Primary Washer Outside Diameter

Between 0.372 inches and 0.383 inches

Primary Washer Style

Flat internal teeth

Primary Washer Material Thickness

0.022 inches

Material

Steel comp 1020 fastener

Material

Steel primary washer

Material Specification

Mil-s-11310 military specification single material response fastener or astm a575 assn standard single material response fastener or astm a576 assn standard single material response fastener or astm a108 assn standard single material response fastener

Surface Treatment

Cadmium

Thread Series Designator

Unc

NSN

5305-00-281-6387

Part Number

55974

Description

Screw,assembled Washer

CAGE

96046

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

Part 55974 NSN 5305-00-281-6387

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:

0.5000lbs

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