Model: 82631-235

Round Self-locking Nut

Special Features:

Threads square withbearing surface by 0.002 in.

Properties:

Thread Pitch Diameters
+2.9474/+2.9529 inches
Thread Pitch Diameters
+2.9474 to 2.9529 inches
Thread Direction
Right-hand
Locking Feature
Prevailing torque with nonmetallic insert
Drive Point Depth
0.125 inches
Nut Style
Round
Nut Diameter
Between 3.579 inches and 3.599 inches
Nut Thickness
Between 0.305 inches and 0.335 inches
Drive Point Width
0.375 inches
Drive Point Quantity
4
Tempurature Rating
250.0 degrees fahrenheit
Thread Series
Uns
Thready Qty Per Inch (tpi)
16
Thread Size
2.988 inches
Countersink Angle
100.0 degrees nut
Part Name Assigned By Controlling Agency
Navy special project
Material
Plastic polyamide locking insert
Material
Steel comp 4130 nut
Material Specification
Mil-s-6758 military specification 2nd material response nut
Surface Treatment
Oxide nut
Surface Treatment Specification
Mil-c-13924, cl 2 military specification single treatment response nut
Test Data Document
81349-mil-i-6868 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).
Specification Data
81205-bacn10gr manufacturers standard
NSN
5310-00-764-0968
Part Number
82631-235
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 82631-235 NSN 5310-00-764-0968

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:
U
ESD:
ESD:
MMAC:
CRITL:
X

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:
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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