Model: 7767668

Round Plain Nut

Special Features:

3.830 in. Min 3.836 in. Max diameter counterstnk on small end and 4.719 in. Diameter countersink on large end

Properties:

Thread Pitch Diameters

+3.8575/+3.8631 inches

Thread Direction

Right-hand

Counterbore Diameter

4.000 inches nut

Drive Point Depth

0.312 inches

Nut Style

Round

Nut Diameter

Between 5.240 inches and 5.260 inches

Nut Thickness

Between 0.552 inches and 0.572 inches

Drive Point Width

0.250 inches

Drive Point Quantity

Nut Counterbore Depth

0.125 inches nut

Thread Series

Uns

Thready Qty Per Inch (tpi)

Hardness Rating

Between 26.0 rockwell c and 32.0 rockwell c

Thread Size

3.891 inches

Countersink Angle

119.0 degrees first end and 121.0 degrees first end

Countersink Angle

119.0 degrees second end and 121.0 degrees second end

Material

Steel comp 4140

Material Specification

Qq-s-626 federal specification single material response or sae federal specification single material response

Surface Treatment

Phosphate manganese

Surface Treatment Specification

Mil-p-16232, type m, class 1 military specification single treatment response

NSN

5310-00-776-7668

Part Number

7767668

Description

Nut,plain,round

CAGE

19207

A nut, circular in shape, which may have wrenching facilities such as flats, holes, protrusions, slots or splines in or on the periphery or in the face opposite the bearing surface. For items having a thickness (or height) exceeding two times the outside diameter, use post, electrical-mechanical equipment. See also nut (1), plain, knurled. (when height or thickness and/or outside diameter is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part 7767668 NSN 5310-00-776-7668

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

15887

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:

0.7000lbs

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