Model: 66787-428

Extended Washer Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Washer Outside Diameter

0.410 inches

Overall Height

Between 0.318 inches and 0.328 inches

Nut Style

Double hexagon

Washer Thickness

Between 0.047 inches and 0.057 inches

Width Across Flats

Between 0.305 inches and 0.313 inches

Thread Series

Unjf

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Nickel alloy

Material Specification

Ams5709 assn standard single material response

Precious Material

Silver

Surface Treatment

Silver

NSN

5310-00-934-0012

Part Number

66787-428

Description

Nut,self-locking,extended Washer

CAGE

56878

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 66787-428 NSN 5310-00-934-0012

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:

139820

UFC:

70220

LTL:

85.0

LCL:

WCC:

576

TCC:

SHC:

ACC:

Construction Materials

End Items End applications NSN 5310-00-934-0012 is a component of

Hc-130) Ec-130e Mc-130h Sof ( Ac-130h Aircraft
Kc-135a) F-108 (cfm-56 Aircraft Engine
Tf-33-p-7 (c-141a/b) Aircraft Engine
Tf39-ge-1 (c-5a) Aircraft Engine
F100-pw-100 (f-15a/b/c/d) Aircraft Engine
F110-ge-100/129 (f-16 C/d) Aircraft Engine
Ticonderoga Class Cg (47)
Spruance Class Dd (963)
F118-ge-100 (b-2 Bomber) Engine
010730503
Aircraft Gas Turbine Engine Turbine Frame
014347020
Aircraft Gas Turbine Engine Turbine Frame
014450387
Aircraft Gas Turbine Engine Turbine Frame
005058389
Aircraft Gas Turbine Engine Turbine Nozzle
012756315
Aircraft Gas Turbine Engine Turbine Component Support
010983339
Aircraft Gas Turbine Engine Turbine Frame
011201966
Aircraft Gas Turbine Engine Turbine Nozzle
010345814
Aircraft Gas Turbine Engine Turbine Nozzle Support
014446990
Aircraft Gas Turbine Engine Turbine Nozzle Assembly
012982662
Aircraft Gas Turbine Engine Turbine Component Support
012486387
Aircraft Gas Turbine Engine Turbine Frame
010345818
Aircraft Gas Turbine Engine Turbine Frame
011326726
Aircraft Gas Turbine Engine Compressor Rotor
012242158
Aircraft Gas Turbine Engine Turbine Nozzle Assembly
011584264
Aircraft Gas Turbine Engine Turbine Nozzle
014451882
Aircraft Gas Turbine Engine Turbine Nozzle
001105966
Air-oil Se Impeller
010333307
Aircraft Gas Turbine Engine Turbine Rotor

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Schedule B and Export

Schedule B: 7508900000
SITC: 69975
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Other articles of nickel, nesoi (excluding cloth, grill & netting of nickel wire)