Model: A51B24690-11

Internally Relieved Body Bolt

Description:

3a thread class, right-hand , 0.480 inches thread length, 1.648 inches fastener length, round w/wrench flats head style, 0.835 inches head diameter.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.480 inches

Fastener Length

1.648 inches

Head Style

Round w/wrench flats

Head Diameter

0.835 inches

Head Height

Between 0.140 inches and 0.150 inches

Width Between Flats

0.750 inches

Shoulder Diameter

Between 0.4925 inches and 0.4936 inches

Shoulder Length

1.168 inches

Shank Unthreaded Hole Diameter

0.076 inches first hole and 0.086 inches first hole

Shank Unthreaded Hole Diameter

0.076 inches and 0.086 inches first hole

Concentric Hole Depth

Between 0.838 inches and 0.848 inches

Concentric Hole Diameter

Between 0.186 inches and 0.192 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Hardness Rating

46.0 rockwell c and 49.0 rockwell c

Hardness Rating

46.0 rockwell c and 49.0 rockwell c

Distance From Head Largest Bearing Surface To Shank Hole Center

1.548 inches first hole

Part Name Assigned By Controlling Agency

Navy special project

Material

Steel

Material Specification

G-1010 comp 4330v fscm 26512 mfr ref single material response

Surface Treatment

Cadmium and chromate

Surface Treatment

Cadmium and chromate

Surface Treatment Specification

Mil-s-8837 type 2 cl1 military specification single treatment response

Style Designator

Concentric hole unthreaded

Test Data Document

81349-mil-i-6868 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.).

Thread Series Designator

Unjf

NSN

5306-00-003-9026

Part Number

A51B24690-11

Description

Bolt,internally Relieved Body

CAGE

26512

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 A51B24690-11 NSN 5306-00-003-9026

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