Model: 68-1660-256

Hexagon Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque with nonmetallic insert

Nut Style

Hexagon

Nut Height

0.095 inches

End Application

Aircraft, (ac-130h, mc-130h, ec-130e, hc-130); tactical air opns module (an/tyq (23); missile, all-weather anti-ship, harpoon (agm-84); radar set, an/pps-5b; missile, air-to-air, sparrow (aim-7); test consoles, mini-sace; support equipment, b-52 aircraft; aircraft, c-2a (reprocured); airborne mobile dir air spt ctl (2id), (02m jul83)(an/uyq-3a)

Width Across Flats

Between 0.155 inches and 0.158 inches

Tempurature Rating

250.0 degrees fahrenheit

Thread Series

Unc

Thready Qty Per Inch (tpi)

Thread Size

0.086 inches

Bearing Surface Type

Washer faced

Material

Aluminum alloy 2011 nut

Material

Plastic polyamide locking insert

Material Specification

Qq-a-365 federal specification single material response nut

Surface Treatment

Anodize nut

Surface Treatment Specification

Mil-c-5541 military specification single treatment response nut

NSN

5310-00-622-1724

Part Number

68-1660-256

Description

Nut,self-locking,hexagon

CAGE

56878

A nut having a flat bottom and 6 sides. An integral feature is incorporated for locking on the threads of a mating member. Excludes nut (1), self-locking, cap.

Part 68-1660-256 NSN 5310-00-622-1724

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05277

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

Pricing & Availability Check

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi