12446435

Flat Washer

NSN 5310-01-645-9840

DEMIL
Shelf Life
UOM
NIIN
Demil:
Shelf Life:
UOM:
NIIN:
016459840

Product Technical Spec.

Cross Sectional Shape:
Rectangular
Hole Diameter:
Between 0.331 inches and 0.346 inches
Edge Shape:
Round
Center Hole Shape:
Round
Thickness:
Between 0.11 inches and 0.13 inches
Overall Diameter:
Between 0.738 inches and 0.768 inches
End Application:
2520-01-626-5061
Hardness Rating:
Between 38.0 rockwell c and 45.0 rockwell c
Part Name Assigned By Controlling Agency:
Washer, hardened; cover plate
Material:
Steel
Material Specification:
Astm f436 assn standard single material response
Surface Treatment:
Phosphate and zinc
Surface Treatment Specification:
Tt-c-490, type 1 federal specification all treatment responses
NSN:
5310-01-645-9840
Item Name:
Plaster Washer
Cage Code:
19207

Cross Referenced Parts

Part Number
Cage
RNCC
RNVC
RNAAC
Status
MSDS
SADC
Part Number:
900004
Cage Code:
96953
RNCC:
3
RNVC:
2
RNAAC:
ZZ
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

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194120
UFC:
95100
LTL:
RATING VARIABLE
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): "Plaster 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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