Model: NAS1301-6-6

Assembled Washer Screw

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.250 inches

Fastener Length

Between 0.343 inches and 0.375 inches

Head Style

Pan

Head Diameter

Between 0.256 inches and 0.270 inches

Head Height

Between 0.087 inches and 0.097 inches

Washer Quantity

Internal Drive Style

Cross recess type 1

Thread Diameter

0.138 inches

Thready Qty Per Inch (tpi)

Secondary Washer Relationship To Primary Washer

Not identical

Secondary Washer Style

Flat

Primary Washer Outside Diameter

0.250 inches

Secondary Washer Outside Diameter

Between 0.253 inches and 0.263 inches

Primary Washer Style

Split helical ring

Primary Washer Material Thickness

0.031 inches

Secondary Washer Material Thickness

Between 0.013 inches and 0.019 inches

Material

Steel comp 1010 or steel or steel comp 1025

Material Specification

Qq-s-634 federal specification 1st material response or qq-s-698 1/2 hard federal specification 2nd material response or mil-s-7952 military specification 3rd material response

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Qq-p-416, type 2, cl 3 federal specification all treatment responses

Thread Series Designator

Unc

NSN

5305-00-115-1377

Part Number

NAS1301-6-6

Description

Screw,assembled Washer

CAGE

80205

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

Part NAS1301-6-6 NSN 5305-00-115-1377

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