Model: 81975-3816

Round Self-locking Nut

Properties:

Thread Class

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

Thread Series

Unj

Thready Qty Per Inch (tpi)

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.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

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:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

093486

UFC:

48950

LTL:

RATING VARIABLE

LCL:

50.0

WCC:

713

TCC:

SHC:

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