Model: 386B204008

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Washer Outside Diameter

Between 0.865 inches and 0.875 inches

Overall Height

0.563 inches

Nut Style

Double hexagon

Washer Thickness

0.118 inches

Width Across Flats

Between 0.612 inches and 0.628 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.500 inches

Material

Plastic polyamide locking insert

Material

Steel comp 4130 nut or steel comp 4340 nut or steel comp 3140 nut or steel comp 8740 nut

Material Specification

Aisi assn standard all material responses nut

Surface Treatment

Cadmium except insert

Surface Treatment Specification

Qq-p-416, type 1, cl 3 federal specification single treatment response except insert

NSN

5310-00-297-3721

Part Number

386B204008

Description

Nut,self-locking,extended Washer

CAGE

90099

A nut having 12 drive points, 24 sides, and an integral washer which extends beyond the points or periphery. An integral feature is incorporated for locking on the threads of a mating member.

Part 386B204008 NSN 5310-00-297-3721

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

29729

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:

0.1000lbs

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

End Items End applications NSN 5310-00-297-3721 is a component of

Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Sof / Hh-53j/m Pave Low Helicopter
Los Angeles Class Ssn (688)
Forrestal Class Cv
Nimitz Class Cvn
Seawolf Class Ssn
Consolidated Targets
Submarine Engineering And Diesel Systems
Nuclear Reactor Boundry Area

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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