Model: A51B28521-11

Internally Relieved Body Bolt

Description:

3a thread class, right-hand , 0.355 inches thread length, 2.125 inches fastener length, round w/wrench flats head style, 0.750 inches head diameter.

Special Features:

Chamfer under side of head 45 degrees by 0.050 in.

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.355 inches

Fastener Length

2.125 inches

Head Style

Round w/wrench flats

Head Diameter

0.750 inches

Head Height

0.125 inches

Width Between Flats

Between 0.500 inches and 0.510 inches

Shoulder Diameter

Between 0.3740 inches and 0.3745 inches

Shoulder Length

1.770 inches

Shank Unthreaded Hole Diameter

0.070 inches first hole and 0.080 inches first hole

Concentric Hole Depth

1.600 inches

Concentric Hole Diameter

Between 0.200 inches and 0.206 inches

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Distance From Head Largest Bearing Surface To Shank Hole Center

2.005 inches first hole

Material

Titanium alloy

Material Specification

G-3111, comp 6al-6v-2sn fscm 26512 mfr ref single material response

Style Designator

Concentric hole unthreaded

Thread Series Designator

Unjf

NSN

5306-00-007-2827

Part Number

A51B28521-11

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 A51B28521-11 NSN 5306-00-007-2827

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:

136500

UFC:

68455

LTL:

RATING VARIABLE

LCL:

WCC:

713

TCC:

SHC:

ACC:

Construction Materials

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Schedule B and Export

Schedule B: 8109900000
SITC: 69987
End Use: Finished metal shapes
NAICS: 331491
USDA: 1

Freight Class: Zirconium and articles thereof nesoi