Model: 12981725-2

Internally Relieved Body Bolt

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.747 inches and 0.757 inches

Fastener Length

Between 1.658 inches and 1.668 inches

Head Style

Flat fillister

Head Diameter

Between 0.620 inches and 0.630 inches

Head Height

Between 0.502 inches and 0.512 inches

Shoulder Diameter

Between 0.557 inches and 0.567 inches

Shoulder Length

Between 0.846 inches and 0.856 inches

Concentric Hole Diameter

Between 0.339 inches and 0.349 inches

Thread Diameter

0.500 inches

Thread Series

Unc counterbore

Nonstandard Thread Pitch Diameter

+0.4448/+0.4500 inches

Thready Qty Per Inch (tpi)

Material

Steel comp 303

Material Specification

Astm a276, a479, a581, or a582 assn standard single material response

Surface Treatment Specification

Mil-std-171, para 5.4.1, dimensional limits apply after finish military standard single treatment response

Style Designator

Counterbore threaded

Thread Series Designator

Unc

NSN

5306-01-450-3254

Part Number

12981725-2

Description

Bolt,internally Relieved Body

CAGE

19200

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 12981725-2 NSN 5306-01-450-3254

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:

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