Model: A021A0

Round Extended Washer Plain Nut

Special Features:

Body dia. 0.518 in.; surface treat k-103, cagec 76823, b4 primer; low observable item

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
1.000 inches
Overall Height
0.340 inches
Washer Thickness
0.040 inches
Thread Series
Unjf
Thready Qty Per Inch (tpi)
20
Thread Size
0.4375 inches
Countersink Angle
110.0 degrees boss
Material
Titanium alloy uns r56400
Material Specification
Mil-t-9047, type 3, comp a military specification single material response
Surface Treatment
Paint lusterless except threads
Surface Treatment Specification
R-229, cagec 76823 mfr ref single treatment response except threads
Supplementary Features
Used as insert, pressure tap w/pn -001
NSN
5310-01-349-9629
Part Number
A021A0
Description
Nut,plain,extended Washer,round
CAGE
1W025

A nut, circular in shape, having wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery. It has an integral washer which extends beyond the wrenching element periphery.

Part A021A0 NSN 5310-01-349-9629

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
36743
FIIG:
A021A0
Concept No.:
1
App. Key:
AP
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:
BQ
CRITL:
N

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:
LVL_A:
E
LVL_B:
B

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Schedule B and Export
  • Schedule B: 8108908000
  • SITC: 69985
  • End Use: Nonferrous metals, other
  • NAICS: 331491
  • USDA: 1

Freight Class: Other wrought titanium, nesoi

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