Model: 12759-01220

Lock Washer

Special Features:

Material thickness min 2.35mm, max 2.65mm; material spring steel, hrc 44 to 51; demensions din 127b

Properties:

Hole Diameter
Between 12.2 millimeters and 12.7 millimeters
Outside Diameter
21.1 millimeters
Material Thickness
Between 2.3 millimeters and 2.6 millimeters
Part Name Assigned By Controlling Agency
M12 lock washer
Material
Steel
Surface Treatment
Zinc
Surface Treatment Specification
Astm b633, sc1. Type iii national std/spec single treatment response
Style Designator
Split helical-right hand
NSN
5310-01-572-4347
Part Number
12759-01220
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 12759-01220 NSN 5310-01-572-4347

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:
194120
UFC:
95100
LTL:
70.0
LCL:
--
WCC:
576
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 8710000090
  • SITC: 89111
  • End Use: Military trucks, armored vehicles, etc.
  • NAICS: 336992
  • USDA: 1

Freight Class: Parts of armored fighting vehicles,motorized, whether or not fitted with weapons

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