Model: 1053K1

Shouldered And Recessed Washer

Special Features:

Flush flange 0.016 in. Thk, 0.735 in. Min, 0.745 in. Max diameter attached

Properties:

Hole Diameter
Between 0.240 inches and 0.260 inches
Shoulder Diameter
0.282 inches
Outside Diameter
Between 0.553 inches and 0.573 inches
Recess Diameter
Between 0.521 inches and 0.541 inches
Shoulder Height
0.047 inches
Recess Depth
Between 0.146 inches and 0.166 inches
Material Thickness
0.016 inches
Material
Copper alloy 268 or copper alloy 260
Material Specification
Qq-b-613 federal specification all material responses or qq-b-626 federal specification all material responses
Style Designator
Shouldered and recessed
NSN
5310-00-735-1273
Part Number
1053K1
Description
Washer,shouldered And Recessed
CAGE
56442

A washer, round in shape, having a centrally located hole. One bearing surface is flat, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. Either or both of the bearing surfaces must be broken by a counterbore, countersink, or similar shaped recess. The thickness of the shoulder (boss) must not exceed 25 percent of the shoulder (boss) diameter. For items having a shoulder (boss) of greater thickness, use bearing, sleeve; bushing, sleeve; or spacer, sleeve. Excludes insulator, washer and thrust type washers.

Part 1053K1 NSN 5310-00-735-1273

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15935
FIIG:
A022B0
Concept No.:
1
App. Key:
A
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:
U
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:

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: 7616108000
  • SITC: 69440
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Cotters, cotter-pins, washers and similar articles, of aluminum

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