Model: 305-016-0401

Flat Washer

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.120 inches and 0.125 inches
Edge Shape
Round
Center Hole Shape
1 round
Center Hole Shape
Round
Thickness
Between 0.017 inches and 0.028 inches
Overall Diameter
Between 0.245 inches and 0.250 inches
Color
Black
Material
Steel comp 301 or steel comp 302 or steel comp 316 or steel comp 301 or steel comp 302 or steel comp 316
Material Specification
Aisi assn standard 1st material response or aisi assn standard 2nd material response or aisi assn standard 3rd material response or sae assn standard 4th material response or sae assn standard 5th material response or sae assn standard all material responses
Surface Treatment
Oxide film
Surface Treatment Specification
Mil-c-13924, cl 4 military specification single treatment response
Nondefinitive Specification/std Data
A type and 1 grade and b class
NSN
5310-00-194-3647
Part Number
305-016-0401
Description
Washer,flat
CAGE
D9182

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.

Part 305-016-0401 NSN 5310-00-194-3647

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
13393
FIIG:
A022B0
Concept No.:
1
App. Key:
B
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:
ESD:
MMAC:
SX
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:
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: 7318220000
  • SITC: 69422
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Washers other than lock washers, iron or steel

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