Model: ST2520-09

Externally Relieved Body Bolt

Special Features:

Surface on grip and bearing surface of head 32 micrinches; threads and washer face coated pwa 550-3 agec 77445

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

Between 0.820 inches and 0.923 inches

Fastener Length

Between 0.928 inches and 0.948 inches

Head Style

Double hexagon w/hole

Head Height

Between 0.373 inches and 0.393 inches

Width Between Flats

0.4375 inches

Extended Washer Diameter

Between 0.552 inches and 0.572 inches

Extended Washer Thickness

0.090 inches

First Diameter From Head

Between 0.343 inches and 0.353 inches

Distance From Largest Bearing Surface Of Head To End Of First Diameter

Between 0.025 inches and 0.108 inches

Thread Diameter

0.375 inches

Thready Qty Per Inch (tpi)

Externally Relieved Body Diameter Quantity

Material

Titanium alloy uns r56400

Material Specification

Ams 7461 assn standard single material response

Thread Series Designator

Unjf

NSN

5306-01-315-4889

Part Number

ST2520-09

Description

Bolt,externally Relieved Body

CAGE

77445

An externally threaded fastener whose threaded portion is of one nominal diameter, and whose unthreaded portion has been machined or ground in one or more places or over its entire length to a maximum diameter less than the minimum pitch diameter of the thread (excludes undercuts for thread relief). It is no. 10 (0.190 in.) (5 mm) or larger in size and has a head which is not designed to be held or driven with an inserted driver or designed for rotation by the thumb and fingers. A locking feature may be incorporated in the design of the head or threads. Excludes bolt, internal wrenching and thumbscrew. See also screw, externally relieved body.

Part ST2520-09 NSN 5306-01-315-4889

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06675

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