Model: NAS77A16-020

Shouldered Washer

Special Features:

Chamfered both sides of boss 0.025 in. Min and 0.035 in. Max by 45 degrees

Properties:

Hole Diameter
Between 1.2500 inches and 1.2515 inches
Shoulder Diameter
Between 1.4389 inches and 1.4399 inches
Outside Diameter
Between 1.615 inches and 1.635 inches
Shoulder Height
Between 0.015 inches and 0.025 inches
Material Thickness
Between 0.057 inches and 0.062 inches
Surface Finish
100.0 microinches all surfaces
Material
Copper alloy 642 or copper alloy 630
Material Specification
Qq-c-465 federal specification 1st material response or qq-c-465 federal specification 2nd material response or ams 4640 assn standard 2nd material response
Style Designator
Shouldered
Specification Data
80205-nas77 professional/industrial association standard
NSN
5310-01-259-6364
Part Number
NAS77A16-020
Description
Washer,shouldered
CAGE
80205

A washer, round in shape, and having a centrally located hole. One bearing surface is flat and unbroken, the other surface is in the form of a raised shoulder (boss) having a flat bearing surface. 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 NAS77A16-020 NSN 5310-01-259-6364

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15934
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:
ESD:
MMAC:
SX
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:
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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