Model: 03A511-4-13C

Internal Wrenching Bolt

Special Features:

Grip length min .8115 max .8135 grip diameter min .2490 max .2495

Properties:

Thread Class

Thread Direction

Right-hand

Thread Length

0.403 inches

Fastener Length

Between 1.2145 inches and 1.2165 inches

Head Style

Flat countersunk

Head Diameter

Between 0.438 inches and 0.511 inches

Spline Major Diameter

Between 0.173 inches and 0.183 inches

Internal Drive Style

Torx

Thread Diameter

0.250 inches

Thready Qty Per Inch (tpi)

Min. Tensile Strength (psi)

3700 pounds per square inch

Countersink Angle

Between 129.0 degrees and 131.0 degrees

Material

Titanium alloy uns r56400

Material Specification

Ams4928 assn standard 1st material response or ams4967 assn standard 2nd material response

Thread Series Designator

Unjf

NSN

5306-01-478-2426

Part Number

03A511-4-13C

Description

Bolt,internal Wrenching

CAGE

1W025

An externally threaded fastener whose threaded portion is of one nominal diameter, no. 10 (0.190 in.) (5 mm) or larger. It is designed with an internal socket or internal multiple spline for use with an internal driver. The head is beveled (conical) or cylindrical in shape. Items with cylindrical shaped heads must have an externally relieved body. A locking feature may be incorporated in the design of the head or threads. See also screw, cap, socket head. Excludes setscrew; screw, shoulder; bolt, shoulder; screw, externally relieved body; bolt, externally relieved body; and screw, machine.

Part 03A511-4-13C NSN 5306-01-478-2426

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

06666

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:

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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