Model: 12759-00831

Lock Washer

Properties:

Hole Diameter
Between 0.256 inches and 0.267 inches
Outside Diameter
Between 0.494 inches and 0.510 inches
Material Thickness
Between 0.023 inches and 0.028 inches
End Application
Tow tractor, aircraft; transmission assembly; assembly, drive shaft; tow tractor, a/c (p/n 4jpav, pcc: 6j9)
Part Name Assigned By Controlling Agency
1/4, external tooth lock washer, zinc plated
Material
Steel
Material Specification
Sae j403 1050-1065 assn standard single material response
Surface Treatment
Zinc
Surface Treatment Specification
Astm b633, sc1. Type 111 and bake assn standard single treatment response
Style Designator
Flat external teeth
NSN
5310-01-565-1110
Part Number
12759-00831
Description
Washer,lock
CAGE
0Y3H3

A washer which is usually round with a centrally located hole. Its edges and two bearing surfaces are so designed that applied pressure brings into play the spring tension and/or frictional locking principle which materially resists any tendency toward turning. It may be made of one or two pieces

Part 12759-00831 NSN 5310-01-565-1110

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
14218
FIIG:
A022B0
Concept No.:
1
App. Key:
A
Cond. Code:
1
Status:
A

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators
HMIC
PMIC
ESD/EMI
ENAC
MMAC
CRITL
HMIC:
N
PMIC:
A
ESD:
A
ESD:
A
MMAC:
CRITL:
X

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:
O
SPI No.:
SPI Rev.:
SPC Mkg:
00
LVL_A:
E
LVL_B:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318210000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Spring washers and other lock washers, iron or steel

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