Model: 531001

Hexago Extended Washer Plain Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Washer Outside Diameter
Between 0.680 inches and 0.700 inches
Overall Height
Between 0.320 inches and 0.340 inches
Nut Style
Hexagon
Washer Thickness
Between 0.050 inches and 0.070 inches
Width Across Flats
Between 0.560 inches and 0.565 inches
Thread Series
Unf
Thready Qty Per Inch (tpi)
20
Hardness Rating
Between 30.0 rockwell c and 35.0 rockwell c
Thread Size
0.438 inches
Countersink Angle
90.0 degrees nut
Material
Steel comp 1030 or steel comp 8740
Material Specification
66 federal standard 1st material response or ams 6322 assn standard 2nd material response
Surface Treatment
Cadmium
Surface Treatment Specification
Ams 2400 assn standard single treatment response
NSN
5310-00-208-5879
Part Number
531001
Description
Nut,plain,extended Washer,hexago
CAGE
02978

A nut having 6 flat sides and an integral washer which extends beyond the flats or periphery.

Part 531001 NSN 5310-00-208-5879

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
04889
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:
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:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
--
WCC:
573
TCC:
Z
SHC:
9
ACC:
Construction Materials

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Schedule B and Export
  • Schedule B: 7318160000
  • SITC: 69421
  • End Use: Finished metal shapes
  • NAICS: 332722
  • USDA: 1

Freight Class: Nuts of iron or steel

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