Model: 81975-3816

Round Self-locking Nut

Properties:

Thread Class
3b
Thread Direction
Right-hand
Drive Point Depth
Between 0.145 inches and 0.165 inches
Nut Style
Round
Nut Diameter
Between 2.850 inches and 2.870 inches
Nut Thickness
Between 0.465 inches and 0.480 inches
Drive Point Width
Between 0.240 inches and 0.260 inches
Drive Point Quantity
4
Thread Series
Unj
Thready Qty Per Inch (tpi)
16
Hardness Rating
Between 29.0 rockwell c and 36.0 rockwell c
Thread Size
2.375 inches
Material
Steel
Material Specification
Ams6370 assn standard single material response
Surface Treatment
Phosphate
NSN
5310-01-089-0651
Part Number
81975-3816
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 81975-3816 NSN 5310-01-089-0651

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:
CRITL:
F

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:
Q

Freight Classification

NMFC
UFC
LTL
LCL
WCC
TCC
SHC
ACC
NMFC:
093486
UFC:
48950
LTL:
RATING VARIABLE
LCL:
50.0
WCC:
713
TCC:
Z
SHC:
9
ACC:
Equipment for Aircraft

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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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