Model: D38999/28-11F

Hexagon Plain Nut

Properties:

Thread Direction

Right-hand

Nut Style

Hexagon

Nut Height

Between 3.17 millimeters and 3.62 millimeters

End Application

1440-01-122-8965

Drilled Hole Diameter

1.5 millimeters

Hole Type And Quantity

3 drilled

Width Across Flats

Between 49.25 millimeters and 51.23 millimeters

Thread Series

Iso m

Thread Size

44.0 millimeters

Thread Pitch In Millimeters

1.00

Hole Configuration Style

Configuration b

Countersink Angle

118.0 degrees both ends and 152.0 degrees both ends

Bearing Surface Type

Chamfered

Thread Tolerance Class

6h internal

Material

Aluminum alloy 2024 or aluminum alloy 2017

Material Specification

Qq-a-200/3, t351 federal specification 1st material response or qq-a-225/5, t4 federal specification 2nd material response

Surface Treatment

Nickel

Surface Treatment Specification

Mil-c-26074 military specification single treatment response

Test Data Document

81349-mil-c-38999/28 specification (includes engineering type bulletins, brochures, etc., that reflect specification type data in specification format; excludes commercial catalogs, industry directories, and similar trade publications, reflecting general type data on certain environmental and performance requirements and test conditions that are shown as "typical", "average", "", etc.).

NSN

5310-01-333-4662

Part Number

D38999/28-11F

Description

Nut,plain,hexagon

CAGE

81349

A nut, flat on top and bottom having 6 flat sides. For items which have internal tapered or straight (parallel) pipe threads, specific electrical conduit size designation, and which when installed, provide a method of tightening to lock the connection, see locknut, electrical conduit. See also locknut, tube fitting. For items having a thickness (or height) exceeding two times the width across the flats, use post, electrical-mechanical equipment. (when height or thickness and/or width across the flats is designated as a tolerance dimension, the maximum dimension will be used to determine compliance.)

Part D38999/28-11F NSN 5310-01-333-4662

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

01857

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:

013540

UFC:

05680

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7616995095
SITC: 69979
End Use: Finished metal shapes
NAICS: 332999
USDA: 1

Freight Class: Articles of aluminum nesoi