Model: 2578546-001A

Key Washer

Special Features:

Internal key pre-bent 90 degrees

Properties:

Hole Diameter
1.156 inches
Outside Diameter
1.440 inches
External Prebent Key Length
0.200 inches
External Prebent Key Width
0.380 inches
Internal Straight Key Width
0.160 inches
Distance From Centerline To Top Of Internal Key
Between 0.480 inches and 0.490 inches
Distance From Centerline To Inside Of Prebent Key
0.720 inches
Overall Distance Including Keys
Between 1.507 inches and 1.513 inches
Material Thickness
Between 0.027 inches and 0.033 inches
Material
Steel comp 302
Material Specification
Mil-s-5059 annealed military specification single material response
Surface Treatment
Passivate
Surface Treatment Specification
C+0520, fscm 06848 mfr ref single treatment response
Style Designator
Key
Test Data Document
81349-mil-i-6866 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
NSN
5310-00-432-3510
Part Number
2578546-001A
Description
Washer,key
CAGE
55284

A washer of nonresilient material usually having two parallel bearing surfaces. The outside and/or inside edges have one or more protuberances. The ends and/or edges may be prebent at any angle or the protuberances may be prebent at any angle to the bearing surfaces. The keys or lugs may be fitted into keyways in adjacent material or they may be bent over after application to hold or lock one or more items in place. Excludes thrust type washer.

Part 2578546-001A NSN 5310-00-432-3510

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
01869
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:
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:
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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