Model: AS159S4/51404S4

Recessed Washer

Properties:

Hole Diameter
Between 0.250 inches and 0.253 inches
Outside Diameter
Between 0.505 inches and 0.523 inches
Overall Height
Between 0.216 inches and 0.225 inches
Recess Depth
Between 0.153 inches and 0.162 inches
Material Thickness
Between 0.101 inches and 0.107 inches
Hardness Rating
Between 32.0 rockwell c and 36.0 rockwell c
Material
Steel comp 1330 or steel comp 4130 or steel comp 3130
Material Specification
66 federal standard all material responses
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response
Style Designator
Recessed
NSN
5310-00-891-3398
Part Number
AS159S4/51404S4
Description
Washer,recessed
CAGE
84256

A washer of any peripheral shape having a centrally located hole. Both bearing surfaces are parallel and flat, but one or both of the bearing surfaces must be broken by a counterbore, countersink, or similarly shaped recess. The thickness must not exceed 25 per cent of the outside diameter or the largest outside dimension. The maximum limit of the tolerance or range applied to the thickness and/or largest outside dimension must be used to determine compliance. Excludes washer, concave, retainer, packing, and thrust type washers. See also spacer, sleeve; and spacer, stepped.

Part AS159S4/51404S4 NSN 5310-00-891-3398

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15933
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:
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:

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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