Model: A12812-4-4

Plate Self-locking Nut

Special Features:

Shell 0.419 in. Max. Wide and 0.745 in. Max. Long

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque all metal design
Mounting Hole Diameter
Between 0.098 inches and 0.103 inches
Nut Style
Plate
Nut Length
0.967 inches
Nut Height
0.485 inches
Plate Thickness
0.018 inches
Plate Width
0.635 inches
Nut Mounting Provision
Straight holes
Mounting Hole Arrangement Style
2 holes
Distance From Aperture Center To Mounting Hole Center
Between 0.371 inches and 0.381 inches
Center To Center Distance Between Mounting Holes Along Length
Between 0.750 inches and 0.754 inches
Tempurature Rating
375.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
28
Thread Size
0.250 inches
Material
Rubber silicone class q seal
Material
Steel base
Material
Steel nut
Material
Steel shell
Material Specification
Ams 3326 assn standard single material response seal or ams 3304 assn standard single material response seal
Surface Treatment
Cadmium base and chromate base
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment
Cadmium shell and chromate shell
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response base
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response nut
Surface Treatment Specification
Qq-p-416, type 2, cl 2 federal specification single treatment response shell
NSN
5310-01-126-5103
Part Number
A12812-4-4
Description
Nut,self-locking,plate
CAGE
72962

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 A12812-4-4 NSN 5310-01-126-5103

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:
Q

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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