Model: 82631-3212

Round Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Small End Diameter
Between 2.316 inches and 2.356 inches
Drive Point Depth
0.0125 inches
Nut Style
Round
Nut Diameter
Between 2.481 inches and 2.513 inches
Nut Thickness
Between 0.543 inches and 0.573 inches
Drive Point Width
Between 0.234 inches and 0.266 inches
Undercut Thickness
0.075 inches
Drive Point Quantity
4
Tempurature Rating
Between -75.0 degrees fahrenheit and 250.0 degrees fahrenheit
Thread Series
Unjf
Thready Qty Per Inch (tpi)
12
Hardness Rating
Between 36.0 rockwell c and 38.0 rockwell c
Thread Size
2.000 inches
Countersink Angle
90.0 degrees nut and 110.0 degrees nut
Material
Plastic polyamide locking insert
Material
Steel comp 4130 nut
Material Specification
Ams 6370 assn standard single material response nut or ams 6371 assn standard single material response nut
Surface Treatment
Cadmium nut and chromate nut
Surface Treatment Specification
Qq-p-416, type 2, cl 3 federal specification single treatment response nut
NSN
5310-01-310-9289
Part Number
82631-3212
Description
Nut,self-locking,round
CAGE
56878

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protusions, slots or splines in or on the periphery or in the face opposite the bearing surface. An integral feature is incorporated for locking on the threads of a mating member. Do not use if a more specific item name applies. Excludes collar, pin-rivet, threaded; insert, screw thread; nut (1), sleeve; nut(1), plain, cap; and turnbuckle body.

Part 82631-3212 NSN 5310-01-310-9289

INC
FIIG
Concept No.
App. Key
Cond. Code
Status
INC:
15895
FIIG:
A021A0
Concept No.:
1
App. Key:
CA
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:
0.6000lbs
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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