Model: C7983-4

Plate Self-locking Nut

Properties:

Thread Class

Thread Direction

Right-hand

Locking Feature

Prevailing torque all metal design

Lubrication

Dry film lubricant

Mounting Hole Diameter

Between 0.098 inches and 0.103 inches

Nut Style

Plate

Nut Length

Between 0.790 inches and 0.824 inches

Nut Height

Between 0.496 inches and 0.536 inches

Plate Thickness

Between 0.020 inches and 0.030 inches

Plate Width

Between 0.535 inches and 0.565 inches

Removable Nut Manufacturer Code

29372

Nut Counterbore Depth

0.215 inches base and 0.245 inches base

Nut Mounting Provision

Straight holes

Mounting Hole Arrangement Style

2 holes

Distance From Aperture Center To Mounting Hole Center

Between 0.342 inches and 0.344 inches

Center To Center Distance Between Mounting Holes Along Length

Between 0.685 inches and 0.689 inches

Removable Nut Manufacturer Part Number

Ca21021-1

Thread Series

Unf

Features Provided

Floating nut

Thready Qty Per Inch (tpi)

Thread Size

0.250 inches

Material

Steel comp 8740 nut or steel comp 4140 nut

Material

Stainless steel shell

Material Specification

Ams5528, 17-7ph assn standard single material response shell

Material Specification

Mil-s-6049 military specification 1st material response nut or mil-s-5626 military specification 2nd material response nut

Surface Treatment

Cadmium nut

Surface Treatment

Passivate shell

Surface Treatment Specification

Qq-p-35 federal specification single treatment response shell

Surface Treatment Specification

Qq-p-416, type 2, class 2 federal specification single treatment response nut

NSN

5310-01-054-0840

Part Number

C7983-4

Description

Nut,self-locking,plate

CAGE

81755

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 C7983-4 NSN 5310-01-054-0840

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

05280

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:

0.1000lbs

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:

WCC:

573

TCC:

SHC:

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