Model: S1640-61105

Round Plain Nut

Properties:

Thread Class

Thread Direction

Right-hand

Drive Point Depth

Between 0.156 inches and 0.219 inches

Nut Style

Round

Nut Diameter

Between 2.469 inches and 2.531 inches

Nut Thickness

Between 0.719 inches and 0.781 inches

Drive Point Width

0.125 mils and 0.188 centimeters

Drive Point Quantity

Thread Series

Thready Qty Per Inch (tpi)

Thread Size

2.250 inches

Countersink Angle

109.5 degrees nut and 110.5 degrees nut

Material

Magnesium alloy

Material Specification

Qq-m-31 federal specification single material response

NSN

5310-00-638-1126

Part Number

S1640-61105

Description

Nut,plain,round

CAGE

78286

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 S1640-61105 NSN 5310-00-638-1126

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:

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: 8104900000
SITC: 69994
End Use: Finished metal shapes
NAICS: 331491
USDA: 1

Freight Class: Magnesium, wrought