Model: PSN632-78FWS

Assembled Washer Screw

Special Features:

Washer shall be captive on screw, and free to turn.

Properties:

Thread Class

Thread Direction

Right-hand

Fastener Length

Between 0.843 inches and 0.875 inches

Head Style

Pan

Head Diameter

Between 0.2560 inches and 0.2700 inches

Head Height

Between 0.0870 inches and 0.0970 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Primary Washer Outside Diameter

Between 0.370 inches and 0.390 inches

Primary Washer Style

Flat

Primary Washer Material Thickness

Between 0.036 inches and 0.065 inches

Material

Stainless steel

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35, type vi or vii. Federal specification single treatment response

Thread Series Designator

Unc

NSN

5305-01-383-8928

Part Number

PSN632-78FWS

Description

Screw,assembled Washer

CAGE

1GP79

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

Part PSN632-78FWS NSN 5305-01-383-8928

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:

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