Model: 3M1043-5-20-81

Internally Relieved Body Bolt

Properties:

Threads Per Inch

32 concentric hole

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.443 inches and 0.561 inches

Fastener Length

Between 1.786 inches and 1.816 inches

Head Style

Spline extended washer

Head Height

Between 0.247 inches and 0.287 inches

Extended Washer Diameter

Between 0.575 inches and 0.585 inches

Extended Washer Thickness

Between 0.035 inches and 0.055 inches

Head Minor Diameter

Between 0.360 inches and 0.375 inches

Internal Thread Length

0.300 inches concentric hole and 0.345 inches concentric hole

Thread Diameter

0.312 inches

Thread Series

Unjc concentric hole

Internal Thread Direction

Right-hand concentric hole

Thready Qty Per Inch (tpi)

Thread Size

0.138 inches concentric hole

Internal Thread Class

3b concentric hole

Material

Steel comp xm-13

Material Specification

Ams5629 assn standard single material response

Surface Treatment

Passivate

Surface Treatment Specification

Qq-p-35 federal specification single treatment response

Style Designator

Concentric hole threaded

Thread Series Designator

Unjf

NSN

5306-01-270-4220

Part Number

3M1043-5-20-81

Description

Bolt,internally Relieved Body

CAGE

76301

An externally threaded fastener whose external threaded portion is of one nominal diameter. It has a concentric hole along the longitudinal centerline which may extend a part or the full length of the bolt. The concentric hole along the centerline may be counterbored and/or internally threaded at the head end or the bolt end. The head is designed to be held or driven by an external and/or internal driver. For items having a hole(s) perpendicular to the axis which meet the concentric hole along the longitudinal centerline, see bolt, fluid passage.

Part 3M1043-5-20-81 NSN 5306-01-270-4220

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06676

FIIG:

A003B0

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:

0.2000lbs

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: 7318152000
SITC: 69421
End Use: Iron and steel products, other
NAICS: 332722
USDA: 1

Freight Class: Bolts and bolts and their nuts or washers exported in the same shipment