Model: NASM21299-C9

Recessed Washer

Special Features:

Spec calls this: washer, countersunk, for use with bolts and nuts up to and including 260 ksi flu

Properties:

Hole Diameter
Between 0.564 inches and 0.568 inches
Outside Diameter
Between 1.059 inches and 1.069 inches
Recess Diameter
Between 0.684 inches and 0.694 inches
Material Thickness
Between 0.071 inches and 0.085 inches
Hardness Rating
Between 39.0 rockwell c and 45.0 rockwell c
Recess Angle
90.0 degrees
Surface Finish
125.0 microinches all surfaces
Material
Steel comp 4130
Material Specification
Mil-s-6758&jdamil-s-18729 military specification single material response
Surface Treatment
Cadmium and chromate
Surface Treatment Specification
Qq-p-416, type ii, class 2 federal specification all treatment responses
Style Designator
15 recessed
NSN
5310-01-505-3022
Part Number
NASM21299-C9
Description
Washer,recessed
CAGE
80205

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 NASM21299-C9 NSN 5310-01-505-3022

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:
A
ESD:
A
ESD:
A
MMAC:
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
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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