Model: NS202774-4

Plate Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Counterbore Diameter
0.300 inches first end
Lubrication
Dry film lubricant
Mounting Hole Diameter
Between 0.098 inches and 0.102 inches
Nut Style
Plate
Nut Length
0.917 inches
Nut Height
0.770 inches
Plate Thickness
0.035 inches
Nut Counterbore Depth
0.135 inches first end
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.432 inches and 0.442 inches
Center To Center Distance Between Mounting Holes Along Width
Between 0.616 inches and 0.620 inches
Thread Series
Unjf
Features Provided
Floating nut
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Aluminum alloy 2024 washer or aluminum alloy 7075 washer
Material
Iron alloy 660 nut
Material
Rubber fluorosilicone class fq seal
Material
Steel comp 1050 shell or steel comp 4130 shell
Material Specification
Am 5085 assn standard single material response shell or ams 6350 assn standard single material response shell
Material Specification
Ams 5731 assn standard single material response nut or ams 5732 assn standard single material response nut or ams 5737 assn standard single material response nut
Material Specification
Mil-r-25988, cl1, gr 60, 70, 80, ty1 military specification single material response seal
Material Specification
Qq-a-225/6 federal specification single material response washer or qq-a-225/9 federal specification single material response washer
Surface Treatment
Anodize washer
Surface Treatment
Cadmium shell and chromate shell
Surface Treatment
Passivate nut
Surface Treatment Specification
Mil-a-8625, ty2, cl2 military specification single treatment response washer
Surface Treatment Specification
Qq-p-35 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416, ty2, cl2 federal specification single treatment response shell
NSN
5310-01-353-3637
Part Number
NS202774-4
Description
Nut,self-locking,plate
CAGE
80539

A nut with a flanged base of varied shapes which may be plain or mounted by rivets, bolts, welding or integral prongs. An integral feature is incorporated for locking on the threads of a mating member.

Part NS202774-4 NSN 5310-01-353-3637

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
05280
FIIG:
A021A0
Concept No.:
1
App. Key:
BZ
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:
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:
576
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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