20510912

Flat Washer

NSN 5310-01-282-2807

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
N/A
UOM:
50 EA
NIIN:
012822807

Product Technical Spec.

Cross Sectional Shape:
Rectangular
Edge Shape:
Round
Center Hole Shape:
1 round
Thickness:
Between 3.00 millimeters and 3.70 millimeters
Overall Diameter:
Between 19.48 millimeters and 20.00 millimeters
Hardness Rating:
Between 40.0 rockwell c and 45.0 rockwell c
Material:
Steel comp 1050 or steel comp 1053 or steel comp 1055 or steel comp 1059 or steel comp 1060 or steel comp 1064 or steel comp 1065 or steel comp 1069 or steel comp 1070
Material Specification:
Astm a29 assn standard all material responses or sae j403 assn standard all material responses
Surface Treatment:
Cadmium and chromate
Surface Treatment Specification:
Qq-p-416, type 2, class 3 federal specification single treatment response
NSN:
5310-01-282-2807
Item Name:
Washer,backup
Cage Code:
3T063

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
20510912
Cage Code:
19207
RNCC:
3
RNVC:
2
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
20510912
Cage Code:
47457
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:
Part Number:
20510912
Cage Code:
05MG0
RNCC:
5
RNVC:
9
RNAAC:
KZ
Status:
A
MSDS:
SADC:

Part Identification

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
Cond. Code:
1
Status:
A

Part Materials

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

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

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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Pricing & Availability

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Privacy | Terms

Definition Definition of approved item name (AIN): "Backup Washer"

A washer having a centrally located hole with a solid or laminated cross-section and two flat parallel bearing surfaces. The hole must be 75 percent or less than the largest dimension and the bearing surface finish is greater than 32 microinch (0.8 micrometer). The thickness cannot exceed 25 percent of the largest outside dimension. When the largest outside dimension is less than 1/4 inch or 6mm, the thickness must be 0.006 inches (0.15mm) or greater and for items 1/4 inch (6mm) or larger, the thickness must be 0.016 inches (0.4mm) or greater. The maximum tolerance is applied to dimensions and used as a determining factor. Items with separable lamination use shim. For items fabricated from ceramic or electrically rated materials by specification or industry standards use insulator (1), washer. Excludes disk, valve, graphite impregnated and lubricated items.

MOE Major Organizational Entities

Entity
DSOR
User:
DEPARTMENT OF THE ARMY Dept. of the Army
DSOR:
Import / Export
  • Schedule B: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Washers other than lock washers, iron or steel


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