Model: 3280941

Internally Relieved Body Bolt

Special Features:

Washer extention on head 1.250 in. Dia., 0.062 width; water type seal undercut; surface texture finish 32.0 microin. From threaded end of grip. 0.188 in. Min., 0.312 in. Max. Lgth

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.314 inches

Fastener Length

Between 1.980 inches and 2.000 inches

Head Style

Round w/wrench flats

Head Diameter

1.250 inches

Head Height

0.250 inches

Width Between Flats

Between 0.980 inches and 1.000 inches

Concentric Hole Diameter

Between 0.438 inches and 0.453 inches

Thread Diameter

0.625 inches

Thready Qty Per Inch (tpi)

Color

Black

Material

Copper alloy 360

Material Specification

Astm b16 assn standard single material response

Surface Treatment

Oxide

Surface Treatment Specification

Mil-f-495 military specification single treatment response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unef

NSN

5306-01-288-3766

Part Number

3280941

Description

Bolt,internally Relieved Body

CAGE

10001

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 3280941 NSN 5306-01-288-3766

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:

0.1000lbs

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:

093460

UFC:

48930

LTL:

70.0

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 7415338550
SITC: 69433
End Use: Finished metal shapes
NAICS: 332722
USDA: 1

Freight Class: Other copper screws (not for wood) bolts and nuts