Model: 307R291H01

Shouldered Washer

Properties:

Hole Diameter
Between 1.564 inches and 1.576 inches
Shoulder Diameter
Between 1.866 inches and 1.867 inches
Outside Diameter
Between 1.932 inches and 1.934 inches
Shoulder Height
0.140 inches
Material Thickness
Between 0.049 inches and 0.051 inches
Heat Treatment
T-6 solution heat treated, artifically aged
Material
Aluminum alloy 2024
Material Specification
Qq-a-225/6 federal specification single material response
Surface Treatment
Oxide film
Surface Treatment Specification
Mil-c-5541 military specification single treatment response
Style Designator
Shouldered
Fsc Application Data
Seal, air duct aircraft
NSN
5310-00-961-6479
Part Number
307R291H01
Description
Washer,shouldered
CAGE
97942

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 307R291H01 NSN 5310-00-961-6479

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
194160
UFC:
55210
LTL:
50.0
LCL:
50.0
WCC:
596
TCC:
Z
SHC:
Z
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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