Model: NAS1731-4-3

Blind Rivet Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Head Style

Serrated with pilot

Head Diameter

0.353 inches

Head Height

Between 0.020 inches and 0.030 inches

Locking Feature

Prevailing torque all metal design

Nut Style

Blind rivet w/smooth round shank

Nut Diameter

Between 0.325 inches and 0.327 inches

Nut Length

Between 0.377 inches and 0.407 inches

Nut Grip Range

+0.120/+0.160 inches

Shank End Type

Open

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 304 or steel comp 305

Material Specification

Qq-s-763 federal specification single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Specification Data

80205-nas1731 professional/industrial association standard

NSN

5310-01-396-1786

Part Number

NAS1731-4-3

Description

Nut,self-locking,blind Rivet

CAGE

80205

A metallic headed fastener having internal threads for a portion of the full length. It may have a smooth, hexagon or splined shank with an open or closed end. It is designed to be expanded tightly against the material it is being installed in by means of a special tool. The item must have a specified grip range. The grip range is the thickness of the material the item is being installed in. An integral feature is incorporated for locking on the threads of a mating member.

Part NAS1731-4-3 NSN 5310-01-396-1786

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29724

FIIG:

A021A0

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:

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: 7318160000
SITC: 69421
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Nuts of iron or steel