55561

Flat Washer

NSN 5310-00-680-1582

DEMIL
Shelf Life
UOM
NIIN
Demil:
NO
Shelf Life:
UOM:
NIIN:
006801582

Detail Specifications

Cross Sectional Shape:
Rectangular
Hole Diameter:
Between 0.088 inches and 0.098 inches
Edge Shape:
Round
Center Hole Shape:
1 round
Center Hole Shape:
Round
Thickness:
Between 0.027 inches and 0.037 inches
Overall Diameter:
Between 0.148 inches and 0.168 inches
Color:
Black
Material:
Copper alloy 268 or copper alloy 260
Material Specification:
Qq-b-613 federal specification all material responses
Surface Treatment:
Oxide film
Surface Treatment Specification:
Mil-f-495 military specification single treatment response
NSN:
5310-00-680-1582
Item Name:
Washer,backup
Cage Code:
27682

Manufacturer Part Numbers

No other part numbers with same form, fit, and function found.

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:
U
ESD:
ESD:
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:
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:
GREECE Greece
DSOR:
Import / Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Classification: Copper washers including spring washers not threaded


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