Model: 7R4-16D

Recessed Washer

Properties:

Hole Diameter
Between 0.962 inches and 0.965 inches
Outside Diameter
Between 1.237 inches and 1.240 inches
Overall Height
Between 0.155 inches and 0.160 inches
Recess Depth
Between 0.104 inches and 0.109 inches
Material Thickness
0.078 inches
Surface Finish
100.0 microinches all surfaces
Material
Aluminum alloy 2024 or aluminum alloy 2014 or aluminum alloy 2017
Material Specification
Qq-a-225/6 federal specification 1st material response or qq-a-225/4 federal specification 2nd material response or qq-a-225/5 federal specification 3rd material response
Surface Treatment
Anodize
Surface Treatment Specification
Qq-a-696 federal specification single treatment response
Style Designator
Recessed
NSN
5310-00-209-1691
Part Number
7R4-16D
Description
Washer,recessed
CAGE
43999

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 7R4-16D NSN 5310-00-209-1691

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:
SX
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:
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: 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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