Model: 817262

Flat Washer

Properties:

Cross Sectional Shape
Rectangular
Hole Diameter
Between 0.225 inches and 0.275 inches
Edge Shape
Round
Center Hole Shape
1 round
Center Hole Shape
Round
Thickness
Between 0.054 inches and 0.074 inches
Overall Diameter
Between 0.495 inches and 0.520 inches
End Application
W/s: engine, aircraft, f110-ge-100/129 (f-16c/d); aircraft, (ac-130h, mc-130h, ec-130e, hc-130); guided missile launching system, mk 26 (gmls); support equipment, b-1 aircraft; aircraft, c-2a (reprocured); trainer, b-1b aircraft; close in weapon system (ciws-phalanx); tactical air opns module (an/tyq (23)); deep submergence systems programs (dssp)
Material
Copper alloy 270 or copper alloy 268
Material Specification
Qq-w-321 1/2 hard federal specification 1st material response or qq-b-626 1/2 hard federal specification 2nd material response
Surface Treatment
Tin
Surface Treatment Specification
Mil-t-10727 type 1 military specification single treatment response
NSN
5310-00-177-1156
Part Number
817262
Description
Washer,flat
CAGE
49185

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 817262 NSN 5310-00-177-1156

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:
194120
UFC:
95100
LTL:
RATING VARIABLE
LCL:
--
WCC:
713
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7415210000
  • SITC: 69432
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Copper washers including spring washers not threaded

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