Model: NAS1301-8-6

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.281 inches and 0.375 inches

Fastener Length

Between 0.343 inches and 0.375 inches

Head Style

Pan

Head Diameter

Between 0.306 inches and 0.322 inches

Head Height

Between 0.105 inches and 0.115 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.164 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

55000 pounds per square inch

Hardness Rating

45.0 rockwell c secondary washer and 53.0 rockwell c secondary washer

Secondary Washer Relationship To Primary Washer

Not identical

Secondary Washer Style

Flat

Primary Washer Outside Diameter

0.293 inches

Secondary Washer Outside Diameter

Between 0.307 inches and 0.317 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

0.040 inches

Secondary Washer Material Thickness

Between 0.013 inches and 0.019 inches

Material

Steel

Material Specification

66 federal standard all material responses secondary washer

Material Specification

Qq-s-633 federal specification single material response fastener

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Thread Series Designator

Unc

Specification Data

80205-nas1301 professional/industrial association standard

NSN

5305-01-190-4569

Part Number

NAS1301-8-6

Description

Screw,assembled Washer

CAGE

80205

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

Part NAS1301-8-6 NSN 5305-01-190-4569

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