Model: 999-4-01659-021

Clinch Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Pilot Diameter

0.195 inches

Pilot Length

Between 0.055 inches and 0.061 inches

Counterbore Diameter

0.142 inches nut

Lubrication

Dry film lubricant

Nut Style

Clinch

Nut Diameter

0.254 inches

Nut Height

0.201 inches

Nut Counterbore Depth

0.060 inches nut

Tempurature Rating

450.0 degrees fahrenheit

Thread Series

Unjc

Thready Qty Per Inch (tpi)

Thread Size

0.138 inches

Material

Steel

Surface Treatment

Cadmium

Surface Treatment Specification

Qq-p-416 federal specification single treatment response

NSN

5310-00-684-9765

Part Number

999-4-01659-021

Description

Nut,self-locking,clinch

CAGE

K2523

A nut having a sleeve portion on its under side, which can be crimped or clinched to hold the item in place when inserted in a hole. An integral feature is incorporated for locking.

Part 999-4-01659-021 NSN 5310-00-684-9765

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15892

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 5310-00-684-9765 is a component of

E-6 Tacamo Aircraft
Ttu-205 Test Set
Mh-53e Helicopter
Ah-1w Advance Attack Helicopter
Sh-60f Carrier Based Asw Helicopter
Hh-60h Search And Rescue Helicopter
Hh-60j Uscg Search And Rescue Helicopter
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009190412
Transponder Set
007611980
Antenna Coupler
006525919
Electronic Control Amplifier
004453986
Receiver-transmitter Subassembly
004113411
Television Camera

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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